QUIZ QUESTIONS
The figure illustrates the joints and bones of the rib cage. What does "B" represent?
costochondral joint
normal pH for blood is 7.35-7.45. maintenance of the pH in this range is
critical because enzymes work best within narrow ranges of pH
the process of meiosis will ___ as the gametes are produced
cut the chromosome number by 1/2
the outer surface of the hair is called the
cuticle
when ionic compounds dissolve in water, their ions
dissociate or separate from one another
solubility refers to the ability of one substance to ___ in another
dissolve
what genetic disorder is caused by having three chromosomes 21?
down syndrome
which of the following chromosome anomalies can be found in either sex? a) turner syndrome (XO) b) klinefelter's syndrome (XXY) c) down syndrome (trisomy 21) d) barker's syndrome e) all of the above
down syndrome
the diagram illustrates glands of the skin. what does "D" represent?
duct of eccrine sweat gland
the opposite of depression is
elevation
fatty acid A has 10 double covalent bonds scattered throughout its carbon chain while fatty acid B has only single covalent bonds between the carbon atoms in its chain
fatty acid B is saturated
the diagram illustrates glands of the skin. what does "E" represent?
hair follicle
DNA replication results in 2 new DNA molecules. Each of these new molecules
has one strand of nucleotides from the parent DNA and one newly synthesized strand of nucleotides
lipids can
insulate and help prevent heat loss
what structure does "D" represent on the diagram of the plasma membrane?
integral protein
what structure does "E" represent on the diagram of the plasma membrane?
internal membrane surface
an organism's ability to use energy in order to swim is an example of
metabolism
cells of the small intestine and kidney tubules have extensions that increase their surface area called
microvilli
This is a sagittal section through the abdominopelvic cavity. What structures does "D" represent?
peritoneal cavity
This is a sagittal section through the abdominopelvic cavity. What structures does "E" represent?
retroperitoneal organs
a protein that is converted to an active enzyme is a
proenzyme
a DNA nucleotide sequence that signals the beginning of a gene is called a
promoter
which of the following molecules is not made from cholesterol?
prostaglandins
the structural RNA of ribosomes is
rRNA
the opposite pf protraction is
retraction
The figure illustrates the joints and bones of the rib cage. What does "C" represent?
sternocostal synchondrosis
the figure illustrates keratinization in the epidermis. what layer of the epidermis is "B"?
stratum lucidum
squamous cell carcinoma is the second most common type of skin cancer that affects the ___ layer of the skin
stratum spinosum
the figure illustrates keratinization in the epidermis. what layer of the epidermis is "D"?
stratum spinosum
the study of external form of the body and its relationship to deeper structures is
surface anatomy
the diagram illustrates glands of the skin. what does "A" represent?
sweat pore
osteoarthritis is
the most common type of arthritis
in the reversible reaction CO2 + H2O --> H2CO3 --> H + HCO3, a decrease in respiration rate will increase the concentration of CO2 in the blood. what will this do to the amount of H in the blood?
H will increase
The figure illustrates a posterior view of the right knee joint. What does "E" represent?
PCL
the delivery of a radioactive compound to the body to study the metabolism of tissues is called
PET
an organ system is
a group of organs with a common set of functions
what organic group does lactose belong to?
carbohydrate
identify the material that would NOT be considered an important inorganic substance in our bodies
carbon
which type of muscle tissue causes contraction of the heart?
cardiac
which type of muscle tissue is autorhythmic?
cardiac and smooth
what are the layers of the epidermis from superficial to deep?
corneum lucidum granulosum spinosum basale
another anatomical term for fingers is
digits
a thick, sticky secretion produced by goblet cells is called
mucus
what type of tissue is contractile?
muscular
the nail root and the nail body attach to the
nail bed
umbilical region
naval
what structure does "C" represent on the diagram of the plasma membrane?
??????????????
the lower limit of resolution of a light microscope is
0.1 um
solution A increases its acidity. this means that ___
# of hydrogen ions has increased
for every cell in your body, there are ___ microbial cells
10
which of the following is a synthesis reaction? a) 2 AA are bonded together to form a dipeptide b) sucrose is chemically separated to form one molecule of glucose and one molecule of fructose c) sodium chloride is dissolved in water d) several dipeptide chains are formed from digestion of long polypeptide chains e) ATP is converted to ADP
2 AA are bonded together to form a dipeptide
in humans somatic cells have ___ chromosomes while reproductive cells have ___ chromosomes
46, 23
a non-albino female who is a carrier to the albino allele (Aa) mates with an albino male (aa). what is the probability that their children will be albino?
50%
describe the movement of melanin in the skin a) melanin is transferred from melanocytes to keratinocytes b) melanocytes carry melanin with them as they migrate towards the skin surface c) melanin is transferred from keratinocytes to melanocytes d) melanin is transferred from melanocytes to Merkel cells
A
eccrine sweat glands a) aid in cooling the body b) serve as "anchors" for the arrector pili muscles c) produce a secretion that oils the hair and skin d) produce a secretion that protects the body from growth of bacteria e) are not involved in the homeostasis of body temperature
A
which of the following is not a type of burn? a) primary burn b) partial thickness burn c) 2nd degree burn d) 3rd degree burn e) full thickness burn
A
with regard to the validity of biochemical research in physiological studies, which statement is correct? a) although the general homeostatic mechanisms may be the same in some animal species, the individual variables are often very different b) although the individual variables may be the same in some animal species, the general homeostatic mechanisms are often very different
A
general structure of a synovial joint
A - bursa B - articular cartilage C - tendon D - synovial membrane E - fibrous capsule
a cation is
A positively charged ion
The figure illustrates a posterior view of the right knee joint. What does "A" represent?
ACL
which of the following reactions best represents the decomposition of ATP?
ATP + H2O --- ADP + Pi + energy
an infant born with a genetic defect that causes little or no brown fat to be formed will have a) difficulty absorbing nutrients from the intestine b) difficulty regulating body temperature c) very stretchy tendons d) reduced bone mass e) difficulty breathing
B
which of the following actions is caused by contraction of skeletal muscle? a) contraction of the heart b) moving your feet in walking c) movement of food through the digestive tract d) emptying of the urinary bladder e) vasoconstriction
B
which of the following is a function of epithelial tissue? a) conduction of action potentials b) secretion and absorption of molecules c) support of other tissue types d) contraction e) shock absorption
B
hyaluronic acid a) contributes to the rigidity of a joint b) is found in the synovial membrane c) is responsible for the lubricating properties of synovial fluid d) makes up most of the matrix of hyaline cartilage e) makes surfaces rough
C
keratinization a) occurs in the dermis b) results in the formation of new epidermal cells c) produces a layer of cells that resist abrasion d) determines skin color e) does not affect permeability characteristics of the epidermis
C
which of the following connective tissue layers is outside all the others? a) perimysium b) endomysium c) epimysium d) paramysium e) sarcolemma
C
which of the following is NOT a complication of a major burn? a) local edema b) shock c) increased immunity d) decreased heart pumping ability e) venous thrombosis
C
which of the following is NOT a function of skeletal muscle? a) body movement b) maintenance of posture c) dilating and constricting the pupil of the eye d) carry out breathing movements e) production of heat
C
4 most abundant elements in the human body are:
C H O N
the four most abundant elements in the human body are
C H O N
the anticodon sequence GUA pairs with what codon?
CAU
what molecule is produced as a waste product of the metabolism of glucose by cells?
CO2
An example of a saddle joint is the a) shoulder joint. b) elbow joint. c) atlanto-occipital joint. d) carpometacarpal joint. e) atlantoaxial joint.
D
Which of the following is NOT true of the latch state of smooth muscle contraction? a) Myosin phosphatase removes the phosphate group from myosin. b) It explains why smooth muscle can sustain tension for long periods of time. c) It occurs when the phosphate is removed while the cross-bridges are attached to actin. d) It occurs when the phosphate is removed while the cross-bridges are not attached to actin. e) It allows contraction without a large energy expenditure.
D
an example of a symphysis is the a) elbow joint b) temporomandibular joint c) costovertebral joint d) intervertebral joint e) sacroiliac joint
D
the central axis of the hair is the a) shaft b) cuticle c) hair bulb d) medulla e) root
D
the effects of aging on the skin include all of the following except a) thinner epidermis b) reduction in collagen and elastin c) loss of fat from the subQ tissue d) increases in sebaceous gland activity
D
which of the following is NOT a function of the control center within a feedback mechanism? a) receives and processes information b) controls effectors c) establishes a set point d) detects a change in the value of a variable
D
which of the following movements is an example of extension? a) bending forward at the waist b) kneeling c) raising your arm laterally d) using your finger to point out an area on a map e) shrugging your shoulders
D
which of the following statements is false? a) secretory epithelial cells are usually cuboidal or columnar in shape b) the movement of materials through the epithelium is enhanced by simple squamous epithelium c) stratified epithelium is adapted for a protective role d) columnar epithelial cells promote diffusion e) cuboidal epithelium is found in areas where absorption occurs
D
a tissue has the following characteristics: abundant extracellular matrix, abundant collagen fibers, collagen fibers mainly parallel to each other. Which of the following injuries results in damage to mainly this kind of tissue? a) broken femur bone b) bullet penetrating the abdominal wall c) broken nose d) tear in the cartilage of the knee e) tear in the tissue that attaches the gastrocnemius muscle to bone
E
all cells attached to the basement membrane but not all cells reach free surfaces is a description of a) mesoderm b) neuroglia c) membrane d) dendrite e) pseudostratified columnar epithelium
E
what is the correct complementary strand to CATGTC?
GTACAG
The figure illustrates a posterior view of the right knee joint. What does "B" represent?
MCL (tibial)
what genotype will result in a male?
XY
lyme disease is
a bacterial infection transmitted by ticks
how does a buffer help a solution maintain pH?
a buffer can act like a base if pH is acidic, and it can act like an acid if pH is basic
a substance that will increase the rate of a chemical reaction without being permanently changed is called
a catalyst
denaturation
a change in the 3D structure of a protein
the leading strand of DNA is formed as
a continuous strand, adding to the 3" end
a tissue is
a group of cells with similar structure and function
a cut through the long axis of an organ is
a longitudinal section
an anion is
a negatively charged ion
an organelle is
a small structure within a cell
an organ is
a structure composed of several tissue types
synovial fluid is
a thin lubricating film covering the surface of a joint
in order to study the detail of internal cell parts, it would be best to use
a transmission electron microscope (TEM)
here is a figure showing major trunk cavities and other structures. what does "D" represent?
abdominal cavity
the cavity of the body immediately inferior to the diaphragm is the ___
abdominal cavity
solubility refers to
ability of one substance to dissolve in another
a base is a proton donor or acceptor
acceptor
what genetic disorder is a type of dwarfism characterized by shortening of the upper and lower limbs?
achondroplasia
what is the girdle of glycoproteins just below the tight junction between epithelial cells?
adhesion belt
the presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of
aging
what genetic disorder is characterized by the lack of skin, hair, and eye coloration?
albinism
a different form of an allele at a particular locus that can have no effect to major effects on the phenotype is ___ a) allelic varient b) mutated allele c) polymorphism d) all of the above
all of the above
which of the following factors will influence the rate of chemical reactions? a) temperature b) concentration of reactants c) presence of catalysts d) presence of enzymes
all of the above
if an albino (aa) mates with a person homozygous for normal pigment (AA), then their offspring will be ___
all offspring will be normal but carriers
all of the synthesis reactions of the body are called
anabolism
the type of movements where one linear part of the body bens relative to another part would be ___ movements
angular
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "B" represent?
anterior/frontal fontanel
light skinned races such as caucasians have
approximately the same number of melanocytes as races with darker skins
lipids ___
are an important component of cell membranes
nucleotides___
are the basic building blocks of DNA and RNA (nucleic acids)
chromosomes that are NOT associated with sex determination are known as
autosomes
the number of atoms in exactly 12 grams of carbon 12 is called
avogadro's number
which of the following is an example of incomplete dominance? a) color blindness b) major thalassemia c) beta thalassemia d) polymorphism e) ABO blood groups
beta thalassemia
harry is told he has structural damage to his dentoalveolar joint. where specifically is the problem area?
between his tooth socket and tooth
two solutions A & B have the same osmolality therefore ___
both solutions have the same number of solute particles
which of the following is not a use of xray imaging? a) breast cancer screening in mammography b) upper digestive tract abnormalities following barium ingestion c) brain tumor progression d) vertebral fractures
brain tumor progression
sternal region
breast bone
gluteal region
buttocks
the energy stored in ATP is a form of ___ energy
chemical
potential energy stored in bonds of molecules is
chemical energy
which of the following would be classified as a lipid? a) cholesterol - a steroid b) alanine - an amino acid c) starch - a polysaccharide d) catalase - an enzyme e) sucrose - a disaccharide
cholesterol - a steroid
before cell division occurs, DNA in the nucleus is condensed to form
chromatin
what type of gene expression are the ABO blood types an example of?
codominance
intervertebral discs exhibit a great deal of strength because of the presence of thick bundles of
collagen
cells produce and respond to chemical and electrical signals as a means of
communication
electrolytes are substances that
conduct electricity when dissolved in water
what particle is formed when an acid loses a proton?
conjugate base
marfan syndrome is a genetic disorder associated with ___ tissue
connective
the stratum basale
contains cells that undergo mitosis to form new epidermal cells
DNA
contains the sugar deoxyribose
the presence of water in our bodies allows us to
cool the body with sweat maintain a fairly constant body temp provide an environment for chemical reactions keep tissues moist and reduce friction
what type of process conducts nerve impulses toward the cell body?
dendrite
DNA contains
deoxyribose
a cell with abundant peroxisomes would most likely be involved in
detoxification activities
here is a figure showing major trunk cavities and other structures. what does "B" represent?
diaphragm
the gallbladder, liver, and stomach are all part of the
digestive system
what technique creates a 3D dynamic image of blood vessels?
digital subtraction angiography
the diagram illustrates glands of the skin. what does "C" represent?
eccrine sweat gland
which of the following terms correctly identifies the name of an embryonic germ layer? a) ectoderm b) exoderm c) epiderm
ectoderm
chemical substances that dissolve in water or react with water to release ions are known as
electrolytes
cations and anions that dissociate in water are sometimes called
electrolytes because they can conduct an electrical current
covalent bonds form when
electrons are shared between two atoms
which organelle may or may not have ribosomes attached?
endoplasmic reticulum
if the products in the reaction contain less potential energy than the reactants, ___
energy has been released by the breaking of molecular bonds
if the ratio of products are stable the reaction is in
equilibrium
the opposite of inversion is
eversion
With aging, individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough. This is probably because the elderly...
experience a decrease in the thickness of their subQ fat layer
the opposite of flexion is
extension
the environment outside the plasma membrane is most appropriately referred to as
extracellular
which of the following is an organelle of locomotion? a) ER b) golgi apparatus c) nucleolus d) peroxisome e) flagellum
flagellum
there are more microbial cells than human cells in your bod and the health of this microbiota clearly influences human well being. how many microbes are there?
for every cell, there are 10 microbial cells
ringworm is an infection of the skin, hair, and nails caused by a
fungus
reduction is the ___ of electrons
gain
what is a small protein channel that allows the passage of ions and small molecules between cells?
gap junction
the actual genetic constitution of an individual is its
genotype
an organism's genetic makeup is its ___ while its physical appearance is its ___
genotype, phenotype
a major limitation of radiographs is that they
give only a flat 2D image of the body
which of the following is NTO true of a transmission electron microscope (TEM)? a) the limit of resolution is about 0.1 nm b) electrons are passed through the specimen c) gives the clearest 3D images d) the specimen must be fixed in plastic e) the electron beam is focused with electromagnets
gives the clearest 3D images
consider the following five terms. which term does not belong with the other four terms? a) disaccharide b) sucrose c) lactose d) maltose e) glucose
glucose
inguinal region
groin
hydrogen bonds are important for all of the following except
help atoms give up or receive electrons
what genetic disorder is the failure to produce clotting factors?
hemophilia
what term means that both alleles are different?
heterozygous
the study of tissues is
histology
what is the microscope study of tissues?
histology
chromosome pairs are called
homologous pairs
what term means that both alleles are the same?
homozygous
the genotype WW is best described as
homozygous dominant
what type of connective tissue forms most of the skeleton before it is replaced by bone?
hyaline cartilage
a subcutaneous injection delivers medication into the
hypodermis
in reference to body temperature in living organisms, the set point can be defined as the
ideal normal value
what term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele?
incomplete dominance
when the dominant allele does not completely mask the effects of the recessive allele in the heterozygote, it is called ___
incomplete dominance
as muscle activity increases, the body temperature ___
increases
directional terms are important in the study of anatomy. what does "E" represent?
inferior
the time between cell divisions is called
interphase
the conversion between different states of energy ___ (potential to kinetic)
is not 100% efficient and typically generates heat
a ___ is a display of the chromosomes of a somatic cell during metaphase of mitosis
karyotype
a display of the chromosomes of a somatic cell during metaphase of mitosis is the
karyotype
as skin cells move toward the surface of the body, they produce a protein that reduces water loss. this process is called
keratinization
the time between application of the stimulus to a motor neuron and the beginning of contraction is called the ___ phase
latent or lag
directional terms are important in the study of anatomy. what does "D" represent?
lateral
The figure illustrates a posterior view of the right knee joint. What does "C" represent?
lateral (fibular) collateral ligament (LCL)
The figure illustrates structures in the right temporomandibular joint (lateral view). What does "B" represent?
lateral ligament
The figure illustrates a posterior view of the right knee joint. What does "D" represent?
lateral meniscus
directional terms are important in the study of anatomy. what does "B" represent?
left
what could be used to study general features of cells?
light microscope
in an x-ray film of a skeleton, dense tissue appears ___ because they ___ xrays and the less dense tissue appears ___ because they ___ xrays
light, absorb dark, do not absorb
which organic group does a steroid belong to?
lipids
the specific location of a gene on a chromosome is its
locus
a neutral atom will become a cation if it
loses electrons
oxidation is the ___ of electrons
loss
the cell is the basic unit of life. all cellular structures exhibit special functions. match the structure with its function. what is the function of "E"?
lysosome, contains digestive enzymes
what organelle functions to destroy nonfunctional organelles?
lysosomes
The figure illustrates structures in the right temporomandibular joint (lateral view). What does "E" represent?
mandible
The figure illustrates the joints and bones of the rib cage. What does "D" represent?
manubrium
the amount of matter in an object is its
mass
directional terms are important in the study of anatomy. what does "C" represent?
medial
here is a figure showing major trunk cavities and other structures. what does "A" represent?
mediastinum
what structure does "B" represent on the diagram of the plasma membrane?
membrane channel protein
ion movement across the plasma membrane creates an electrical charge difference known as
membrane potential
This is a sagittal section through the abdominopelvic cavity. What structures does "A" represent?
mesentery
the cell is the basic unit of life. all cellular structures exhibit special functions. match the structure with its function. what is the function of "B"?
mitochondria, major site of ATP synthesis when oxygen is available
carbon dioxide is considered a
molecule and a compound
large carbohydrates are formed from smaller units called
monosaccharides
a mistake during segregation of chromosomes is called
nondisjunction
the cell is the basic unit of life. all cellular structures exhibit special functions. match the structure with its function. what is the function of "D"?
nucleus, control center of the cell
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "E" represent?
occipital bone
in the process of diffusion, net movement of substances is always from a region
of higher concentration to a region of lower concentration
which of the following best describes a proton? a) one negative charge, no mass, found in orbitals b) no charge, mass of one, found in nucleus c) one positive charge, mass of one, found in nucleus d) subatomic particle with no electric charge
one positive charge, one mass, found in nucleus
the cell is the basic unit of life. all cellular structures exhibit special functions. match the structure with its function. what is the function of "A"?
outer boundary of the cell, controls entry and exit of substances
internal structures of a cell that carry out specialized metabolic tasks are called
organelles
what kind of cells form bone?
osteoblasts
water accounts for 50% of weight of a young adult female and 60% of young adult male. what kind of atom is found at "D"?
oxygen atom
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "A" represent?
parietal bone
This is a sagittal section through the abdominopelvic cavity. What structures does "B" represent?
parietal peritoneum (lines cavity)
here is a figure showing major trunk cavities and other structures. what does "E" represent?
pelvic cavity
the predominant lipid in the cell membrane is a
phospholipid
what structure does "A" represent on the diagram of the plasma membrane?
phospholipid bilayer
an investigator who conducts an experiment to determine how changes in pH affect the function of enzymes on digestion is most likely to be ___
physiologist
the joint between the head of the radius and the proximal end of the ulna is a ___ joint
pivot
the joint between the articular processes of adjacent vertebrae is a ___ joint
plane
a mutation involving a single nucleotide is a ___ mutation
point
phospholipids have a hydrophilic end which is
polar and water soluble
when more than one gene pair is involved in an inheritance pattern, it is called
polygenic
a person's height, intellignece, eye color, and skin color are examples of
polygenic traits
Imagine the following scenario: Blood pressure decreases below normal levels.→ Blood flow to the heart decreases → Heart is unable to pump as much blood.→ Blood pressure decreases even more. This is an example of _____ feedback.
positive
Mary Lu is experiencing pain from her sacroiliac joint. In what region of her body is she most likely feeling pain?
posterior pelvic region
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "D" represent?
posterior/occipital fontanel
posttranscriptional processing is the modification of
pre-mRNA to form functional mRNA
which is determined by the sequence of AA bound by peptide bonds?
primary protein
which of the following is not a function of carbs in the body? a) structural component of DNA b) protection c) bulk in feces d) energy e) structural component of RNA
protection
which function of proteins is NOT correctly matches with the example? a) transport - Hgb b) structure - collagen and keratin c) regulation - enzymes and hormones d) protection - packing around organs and glands e) contraction - actin and myosin in muscles
protection - packing around organs and glands
source of nitrogen for the body?
protein
genes that play a role in the regulation of mitosis are called
proto-oncogenes
MRI is based on the movement of ___ in a magnetic field
protons
mass # of an atom is
protons and neutrons
this condition is characterized by a thicker than normal stratum corneum producing large silvery scales
psoriasis
which of the following activities is a function of the plasma membrane? a) digestion of unneeded cell organelles b) recognition of bacterial cells by the immune system c) transport of products from the nucleus to the endoplasmic reticulum d) cell metabolism e) detoxification
recognition of bacterial cells by the immune system
in ___, the new cells are the same type as those that were destroyed
regeneration
a buffer will
resist drastic changes in the pH of solutions
muscles exhibit the property of excitability. this means that the muscle
responds to stimulation by the nervous system
nerve cells generate electrical signals in response to changes in the environment. this is an example of
responsiveness
directional terms are important in the study of anatomy. what does "A" represent?
right
the cell is the basic unit of life. all cellular structures exhibit special functions. match the structure with its function. what is the function of "C"?
rough endoplasmic reticulum, synthesizes proteins and transports them to the Golgi apparatus
a vertical plane that separates the body into right and left portions is called a
sagittal plane
The figure illustrates bones, fontanels, and sutures on the fetal skull. What does "C" represent?
sagittal suture
a neurtal atom contains
same number of protons and electrons
what is a malignant neoplasm derived from connective tissue?
sarcoma
the diagram illustrates glands of the skin. what does "B" represent?
sebaceous gland
the primary structure of a protein is
sequence of AA in a polypeptide chain
what genetic disorder is the inability to produce normal hemoglobin?
sickle cell disease
which organ system is the location of blood cell production?
skeletal
which type of muscle tissue possesses striations?
skeletal and cardiac
what type of muscle tissue causes peristalsis?
smooth
the sodium chloride molecule breaks apart in water. what does "B" represent?
sodium ion
the three forms of matter are
solids, liquids, and gases
an anatomic image created from sound waves is a
sonogram
what is the only human cell with a flagellum?
spermatozoa
The figure illustrates the joints and bones of the rib cage. What does "A" represent?
sternal symphyses
The figure illustrates the joints and bones of the rib cage. What does "E" represent?
sternum
the layer of epidermis that undergoes mitosis and forms new epidermal cells is the
stratum basale
the figure illustrates keratinization in the epidermis. what layer of the epidermis is "E"?
stratum basale/germanitivum
the figure illustrates keratinization in the epidermis. what layer of the epidermis is "A"?
stratum corneum
the figure illustrates keratinization in the epidermis. what layer of the epidermis is "C"?
stratum granulosum
anatomy is the study of
structure
The figure illustrates structures in the right temporomandibular joint (lateral view). What does "C" represent?
styloid process
The figure illustrates structures in the right temporomandibular joint (lateral view). What does "D" represent?
stylomandibular ligament
which of the following is a carb? a) triglyceride b) Hgb c) cholesterol d) animal fat e) sucrose
sucrose
ribose is the
sugar found in RNA and ATP
the opposite of pronation is
supination
transcription ___ a) requires 3 types of RNA b) synthesizes RNA from DNA c) occurs at the ribosomes d) copies information from mRNA to tRNA e) synthesizes DNA from RNA
synthesizes RNA from DNA
which subdivision of anatomy involves the study of organs that function together?
systemic
in DNA replication ___
the leading strand is formed as a continuous strand
translation requires
the pairing of codons on mRNA with anticodons on tRNA
why does muscle activity affect the temperature of the body?
the rate of chemical reactions increases in muscle fibers during contraction, so the rate of heat production also increases
electrons are ___
the subatomic particles most involved in bonding behavior of atoms
why are cyanide compounds lethal to humans?
they interfere with the production of ATP
here is a figure showing major trunk cavities and other structures. what does "C" represent?
thoracic cavity
what type of epithelial tissue is found in the urinary bladder?
transitional epithelium
down syndrome is an example of an aneuploidy called
trisomy 21
positive feedback mechanisms are more commonly seen in ___ individuals
unhealthy
brachial region
upper arm
which nitrogenous base is found in RNA but not DNA?
uracil
what system removes nitrogenous waste products from the blood and regulates blood pH, ion balance, and water balance?
urinary
organelles
vary in number and type depending on cell function
This is a sagittal section through the abdominopelvic cavity. What structures does "C" represent?
visceral peritoneum (covers organs)
an individual hydrogen bond in a sample of would be described as
weak and intermolecular
IMF are
weak electrostatic attractions that exist between 2 molecules
genes on the X chromosome are
x-linked
genes that are passed from male to male are called
y-linked
The figure illustrates structures in the right temporomandibular joint (lateral view). What does "A" represent?
zygomatic arch