BIO 256 EXAM 1- all 179 answers complete and correct
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BIO 256 EXAM 1- all 179 answers complete and correct
BIO 256 EXAM 1- all 179 answers complete and correct
BIO 256 EXAM 1- all 179 answers complete and correct
BIO 256 EXAM 1- all 179 answers complete and correct
BIO 256 EXAM 1- all 179 answers complete and correct
BIO 256 EXAM 1- all 179 answe...
BIO 256 EXAM 1- all 179 answers
complete and correct
BIO 256 EXAM 1- all 179 answers
complete and correct
Which of the following would not be a necessary life function? - ANSWER-decay
The purpose of negative feedback is - ANSWER-to prevent sudden and severe
changes within the body.
Any water not contained within the cells is said to be part of the body's ____
compartment. - ANSWER-extracellular
Why does your brain require a constant blood flow, even during stress, such as with
intense exercise? - ANSWER-to maintain consciousness
If you add a small amount of vinegar (a weak acid) to a buffer, the buffer's pH will -
ANSWER-stay the same
A molecule that is a mirror image of another, having a key functional group oriented in a
different direction, is called _____ of the other. - ANSWER-a stereoisomer
Which is the unit molecule of glycogen? - ANSWER-glucose
Mono saturated fatty acids have ______ double bond(s). - ANSWER-1
The overall molecular shape of a globular protein consisting of a single polypeptide
strand is known as its - ANSWER-teritiary structure
Contractile proteins of muscle consist mostly of - ANSWER-fibrous protein
Which is NOT a function of proteins? - ANSWER-provides genetic code
Which is made using the energy in good molecules and used to do work? - ANSWER-
ATP
If transport through a cell membrane requires the expenditure of energy, it is called -
ANSWER-active transport
Red blood cells placed in a hypertonic solution will - ANSWER-crenate
If you were to administer a drug that blocked the activity of the sodium/potassium pump,
what effect would you expect that to have on the cell's ability to absorb glucose (which
, BIO 256 EXAM 1- all 179 answers
complete and correct
is absorbed by sodium co-transport)? - ANSWER-decreased glucose transport into the
cell
When stress limits resources for organs, which organ receives top priority for receiving
blood? - ANSWER-brain
Which is an inorganic molecule? - ANSWER-O2
A solution resisting changes in H+ concentration and tending to maintain a stable pH is
called a _____ solution - ANSWER-buffer
The molecule central to all metabolism is - ANSWER-glucose
Which of the following proteins is composed of four polypeptide and has quaternary
structure - ANSWER-hemogoblin
Translation produces - ANSWER-protein
Transfer RNA anticodons pair complementary to the _______ of mRNA. - ANSWER-
codons
If you see polyribosomes when you observe a cell using an electron microscope, the
cell - ANSWER-is making a lot of a certain protein
Muscle growth in response to training causes cells to grow larger. This is an example of
- ANSWER-hypertrophy
The rate of an enzymatic reaction can be affected by all of the following except -
ANSWER-osmotic pressure
An atom or molecule has been oxidized when - ANSWER-it has lost some of its
electrons
When glucose is catabolized under ______ conditions, pyruvates will lose a carbon.
then the acetate made will cross the mitochondrial wall and enter the Krebs cycle. -
ANSWER-aerobic
Ion channels in a cell membrane permit the selective passage of - ANSWER-Na+ and
K+
A deficiency of protein in the blood caused by liver disease such as cirrhosis, where the
damaged liver is unable to produce adequate amounts of the protein albumin, leads to -
ANSWER-edema
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