MISSED TEAS QUESTIONS

how many hydrogen atoms does one molecule of water have?

2

If the diameter of a cell is 15 micrometers, what is the cell's volume?

3,600 cubic micrometers (cell's diameter is 15 micrometers) 15x15x15=3,600

How many stages are there in the mitosis asexual reproduction process?

5 stages

which two items react during cellular respiration?

Glucose & oxygen

large biological molecules consisting of one or more chains of amino acids

Protein

what is the site of protein synthesis within a cell called?

Ribosome

two principal organs of the circulatory system are the heart and the?

blood vessels

deposition of a lquid or a solid from its vapor

condensation

The deposition of a liquid or solid from its vapor?

condenstaion

homeo?

constant

hetero

different

During what stage of photosynthesis is solar energy converted to chemical energy?

during light reactions

what hormone are associated with endometrium of the uterus?

estrogen & progesterone

The lungs do what?

expel carbon dioxide

unit membrane

forms the border of the cell and many of its organelles

which neurotransmitter stimulates the appetite for fatty foods?

galanin

fingernails belong to what system?

integumentary

which bond has a relatively weak attraction between an anion and a cation

ionic bond

what covalent bond are electrons equally attracted to both nuclei?

nonpolar covalent bond

which neurotransmitter stimulates the appetite for carbs?

norepinephrine

the main information carrying molecule of a cell?

nucleic acid

the combination of a substance with oxygen?

oxidation

the phase of matter made up of electrons and positive ions?

plasma

which type of molecule is water comprised of

polar

what covalent bond are electrons more attracted to one nucleus than another?

polar covalent bond

cellulose is what type of carb?

polysaccharide

the 3 main units of the metric system are?

meters, liters and grams

organelles are composed of?

molecules

which system acts as the body's control system?

nervous

what is communication between the PNS and the CNS called?

neuronal signaling

the esophagus is __________ to the trachea?

posterior

If a closed container of hydrogen gas is slowly increased from 15 c to 20 c with no change in volume, how will the pressure change?

pressure will increase. GAY-LUSSAC'S LAW OF GASES

what is the funciton of golgi bodies?

store & release proteins

organs are composed of?

tissue

what is the responibility of the diaphragm?

to control breathing

describe the purpose of centrioles

to form miotic spindles during cell division

skin consists of how many layers?

two.

list the 3 natural lipids

unsaturated, polyunsaturated and saturated

the conversion of a substance from the liquid or solid phase into a gaseous phase is called?

vaporization

list the 5 stages of mitosis

1-prophase 2-prometaphase 3-metaphase 4-anaphase 5-telophase

what is mitosis

A process of asexual reproduction in eukaryotic cells

what is a van der waals bond?

A slight attraction that develops between the oppositely charged regions of nearby molecules. (the weakest bond)

list the fat soluble viamins

A, D, E & K

tissue is composed of?

cells

define falsifiability

Ability to be tested/proven false

what is neuronal signaling?

Also called synaptic, a neurotransmitter crosses synapse to target cell and starts transduction

alleles are?

Alternative versions of a gene

what type of tissue are blood vessels

Connective

which type of chemical bond shares one or more pairs of electons between nuclei?

Covalent bonds

cellular differentiation doesn't change what?

DNA

What codes genetic information for the transmission of inherited traits?

Deoxyribonucleic acid

noble gases

Element with least electronegativity / complete valance shell.

the process by which an element or compound transitions from a liquid state to a gaseous state below the temp at which it boils?

Evaporation

an atom that has a net electric charge is known as?

Ion

what chemical property causes water to conduct electricity?

Ions

does a unit membrane surround ribosomes?

No.

What is the most specific level of the biological classifcation system?

Species

what is the correct term to describe the amount of heat necssary to raise the temp of 1 gram of a molecule by 1 degree celsius?

Specific heat

when considering a food chain that start with grass, then a rabbit eating the grass, and finally a hawk eating the rabbit, what is the original source of energy?

Sunlight

what type of chemical bond is considred to be the weakest of all bonds?

Van der waals bond

the non fat-soluble vitamin is?

Vitamin B (it is water-soluble)

deoxyribonucleic acid

What does DNA stand for?

a disaccharide is what?

a carbohydrate that is composed of two monosaccharides.

define photosynthesis

a light dependent proces that stores energy to prodcue food, consumes H20 and releases O2

which process is enabled by mitosis

a single cell divides to produce two identical daughter cells

hyper

above

The term to refer to two alternative versions of a gene?

alleles

what kind of molecule can react either as an acid or as a base?

amphoteric

If you observe centrosomes when studying cells through a microscope, which of these is the most likely source of the cells?

an adult human (centrosome is an organelle tha tis only found in human animals)

binary fission is a type of?

asexual reproduction used by most bacteria

a molecule is composed of?

atoms

the exchange of oxygen and carbon dioxide takes place where?

aveoli

hypo

below

salt provides what mineral requirement?

chloride

distribution of wastes is a principal function of what body sytem?

circulatory system

which neurotransmitter stimulates the appetite for protein?

endorphins

gherlin

hormone produced by your stomach when your hungry

what type of acid is prodcued in the stomach to break down food?

hydrochloric acid, Hydrochloric Acid

which type of chemcial bond has a weak attraction between polarized molecules?

hydrogen bonds

an atom with an equal number of protons but different number of neutrons

isotope

what is the reason ice floats on water

it forms a lattice when freezing (allows air to fill in gaps)

An organism is composed of?

organ systems

cells are composed of?

organelles

an organ system is composed of?

organs

List 3 principal functions of the urinary system

production of vitamin D, elimination/filtering of wastes, regulation of blood pressure/volume

what are two primary cell types?

prokaryotic & eukaryotic

what is the first stage of mitosis?

prophase

this is used to predict possible genotypes & phenotypes of offspring sexual reporduction

punnett square

which process is enabled by meiosis?

reproduction

The number of peple used in a study i sthe experiment's what?

sample size

what is not a type of natural lipid?

supersaturated lipid

what is the final phase of mitosis?

telephase

define sinus

the air-filled space in a bone

what best describes the term meatus?

the opening into a canal

what is the Gay-Lussac's law of gases?

the pressure in a closed system will increase as the temp increases

what best describes the term fissure?

the slit through a bone

Air is filted by what?

the trachea

describe the function of DNA

to synthesize RNA & protein

a cell that can differentiate into any other type of cell is called?

totipotent