BIO 116 Exam 1
The primary structure of a protein consists of
Amino acids in a polypeptide chain
Which of the following is classified as loose connective tissue?
Areolar tissue
Which layer of hyaline cartilage reduces friction between bones involved in a joint?
Articular cartilage
In which of the following locations would you most likely find transitional epithelial cells?
Bladder, urethra, and uterus
A condition NOT regulated by a negative feedback loop would be
Breastfeeding Blood clotting labor
An enzyme acts to
Catalyst, lower the energy for activation in chemical reactions
Which type of epithelial tissue lines the fallopian tubes, uterus, and some bronchioles of the respiratory tract?
Ciliated epithelium
Which of the following types of fibers are commonly found in the extracellular matrix of connective tissue?
Elastic, reticular, collagen
What is the region of long bone found between diaphysis and the epiphysis called?
Epiphyseal line
Which layer of hyaline cartilage allows the diaphysis to grow in length?
Epiphyseal plate
The extracellular matrix of connective tissue consists of
Fibrous structural proteins (collagen + elastin + glycoproteins + proteoglycans + hyaluronic acid / water
Keratin
Hard protein
Which plane divides the body into equal right and left halves?
Midsagittal
Which cavity contains the heart
Pericardium cavity
The extracellular matrix of blood tissue consists of
Plasma
The lungs are located in what cavity
Pleural cavity
Which of the following is NOT a major function of the skeletal system?
Production of body heat
Which layer of the epidermis is composed of a single row of cuboidal or columnar keratinocytes?
Stratum basale
The main function of dense regular connective tissues is
Transmit forces over a distance and connect different organs/muscles
This type of fatty acid contains more than one double bond in its hydrocarbon chain
Unsaturated fat
A solution with a pH value less than 7 is
acidic
A chemical compound that helps control the pH of a solution by adding or removing hydrogen ions is a(n)
buffer
This lipid is used by the body as a precursor for the production of steroid hormones
cholesterol
Which plane is frontal
coronal
Which type of chemical bond involves the sharing of valence electrons between two atoms?
covalent bonds
Which type of chemical reaction breaks larger reactants into smaller products?
decomposition/catabolic
What is another name for the shaft of a long bone?
diaphysis
Which directional terms means farther from the attachment of a limb to the trunk or farther from the origination of a structure?
distal
Which layer of the skin is composed of a keratinized stratified squamous epithelium
epidermis
Which of the following is NOT a connective tissue
epidermis
Which region of a long bone articulates with other bones?
epiphysis
Which of the following is a monosaccharide that is used by cells to produce energy?
glucose
Which of the following is a polysaccharide that serves as a storage form of energy in the muscle and liver cells?
glycogen
The chemical bonds formed between the atoms in a water molecule are called
hydrogen bond
Which relatively weak type of bond helps stabilize the three dimensional structure of large molecules like proteins and DNA?
hydrogen bond
A solute that readily dissolves in water is
hydrophilic
Another name for the subcutaneous layer is
hypodermis
In the diagram shown below which cellular junction is a tight junction
image
Which plane is parasagittal?
just means sagittal
Which epidermal cell has a role in immunity and disease resistance?
langerhans cells
Which directional term means farther from the midline?
lateral
The function of the secretions of a serous membrane like the pleura, is to
lubricate
Which pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet light?
melanocytes
What is the basic structural unit of compact bone tissue?
osteon
What is the fibrous covering on the surface of bone that is involved in thickening of the bone called?
periosteum
This type of lipid is the body's primary long-term energy storage molecule
triglycerides
What is the most abundant and most important inorganic compound in the body
water
