FSHN 360 Final UPDATED Exam
Questions and CORRECT Answers
For proton-coupled transport, you need:
A. ATP
B. Na-K Pump
C. H+
D. an intergral protein
E. All - Correct Answer- E. All
Carbon in the one-carbon pool can be in the 5-methyl-THF form or the 5,10-methylene-THF
form. Which statement is true?
A. both forms of carbon (methyl and methylene) can be used for thymidylate synthesis.
B. the methylene group of 5,10-methylene-THF can be reduced to generate 5-methyl-THF
and vice versa.
C. B12 is a cofactor for utilization of the methyl group from 5-methyl-THF in the conversion
of homocysteine to methionine.
D. the "methyl trap" results in the accumulation of both 5-methyl-THF and 5,10-methylene-
THF.
E. two of the above - Correct Answer- E. two of the above
If you measure the functional abundance of a plasma membrane transport protein and it
increases, that increase could be due to:
A. increased transcription
B. increased translocation
C. posttranslational modification
D. allosteric regulation
*E. two of the above - Correct Answer- E. two of the above
These three vitamins are involved in the Beta-oxidation of even-chain fatty acids:
A. biotin, vitamin D, thiamin
B. pantothenic acid, riboflavin, niacin
, C. niacin, biotin, pantothenic acid
D. riboflavin, B12, folate - Correct Answer- B. pantothenic acid,riboflavin,niacin
A low Km means ____________ affinity and has the units ____________.
A. low; time (e.g., hours; min; sec)
B. high; rate (e.g., molecules/sec; moles/min) C. high; concentration (e.g., M; mM; M)
D. low; does not have any unit - Correct Answer- C. high; concentration
Where in the cell would you find the VDR-RXR or RAR-RXR complex?
A. cytosol
B. nucleus
C. mitochondria----
D. circulation - Correct Answer- A. Cytosol
Where in the cell would you find the IRP-IRE complex?
A. cytosol
B. nucleus
C. mitochondria----
D. circulation - Correct Answer- A. cytosol
Induction of a protein (i.e., increasing the amount of a protein) via increasing gene expression
can be accomplished by:
A. copper
b. vitamin K
C. vitamin D
D. More then one - Correct Answer- D. More then one
What is not important in antioxidant defense?
A. α-tocopherol
B. superoxide dismutase (SOD)
C. Copper
Questions and CORRECT Answers
For proton-coupled transport, you need:
A. ATP
B. Na-K Pump
C. H+
D. an intergral protein
E. All - Correct Answer- E. All
Carbon in the one-carbon pool can be in the 5-methyl-THF form or the 5,10-methylene-THF
form. Which statement is true?
A. both forms of carbon (methyl and methylene) can be used for thymidylate synthesis.
B. the methylene group of 5,10-methylene-THF can be reduced to generate 5-methyl-THF
and vice versa.
C. B12 is a cofactor for utilization of the methyl group from 5-methyl-THF in the conversion
of homocysteine to methionine.
D. the "methyl trap" results in the accumulation of both 5-methyl-THF and 5,10-methylene-
THF.
E. two of the above - Correct Answer- E. two of the above
If you measure the functional abundance of a plasma membrane transport protein and it
increases, that increase could be due to:
A. increased transcription
B. increased translocation
C. posttranslational modification
D. allosteric regulation
*E. two of the above - Correct Answer- E. two of the above
These three vitamins are involved in the Beta-oxidation of even-chain fatty acids:
A. biotin, vitamin D, thiamin
B. pantothenic acid, riboflavin, niacin
, C. niacin, biotin, pantothenic acid
D. riboflavin, B12, folate - Correct Answer- B. pantothenic acid,riboflavin,niacin
A low Km means ____________ affinity and has the units ____________.
A. low; time (e.g., hours; min; sec)
B. high; rate (e.g., molecules/sec; moles/min) C. high; concentration (e.g., M; mM; M)
D. low; does not have any unit - Correct Answer- C. high; concentration
Where in the cell would you find the VDR-RXR or RAR-RXR complex?
A. cytosol
B. nucleus
C. mitochondria----
D. circulation - Correct Answer- A. Cytosol
Where in the cell would you find the IRP-IRE complex?
A. cytosol
B. nucleus
C. mitochondria----
D. circulation - Correct Answer- A. cytosol
Induction of a protein (i.e., increasing the amount of a protein) via increasing gene expression
can be accomplished by:
A. copper
b. vitamin K
C. vitamin D
D. More then one - Correct Answer- D. More then one
What is not important in antioxidant defense?
A. α-tocopherol
B. superoxide dismutase (SOD)
C. Copper
