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Flashcards in 2011 biochem endterm Deck (10)
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1

What will inhibit the TCA cycle?
a. Insulin
b. NADH
c. AMP

b. NADH

2

Which of the following statements is correct regarding the food guide pyramid of 2012?
a. Proteins represent the main energy supply
b. Lipids represent the main energy supply
c. Carbohydrates represent the main energy supply

c. Carbohydrates represent the main energy supply

3

What is the electron carrier in Complex I of the electron transport chain?
a. Fe-S centers
b. Ubiquinol

a. Fe-S centers

4

What is a consequence of increased consumption of trans fats?
a. Decreased LDL cholesterol and increased HDL
b. Increased LDL cholesterol and decreased HDL

b. Increased LDL cholesterol and decreased HDL

5

What is the function of N-acetylglutamate?
a. Inhibit carbomyl phosphate synthetase I
b. Allosteric activation of carbomyl phosphate synthetase I
c. Inhibit the urea cycle

b. Allosteric activation of carbomyl phosphate synthetase I

6

Which amino acid is produced by the kidneys in prolonged starvation?
a. Creatine
b.Glutathione
c. Asparagine
d. Glutamine

d. Glutamine

7

Why is vitamin E considered an antioxidant?
a. it removes free radicals
b. it forms a stable free radical

b. it forms a stable free radical

8

A 32-year-old man with a BMI of 24 went on a hunger strike. How long will he survive?

50-75 days

9

What do SCAP and HMG-CoA reductase sense?
a. ER cholesterol
b. Plasma cholesterol
c. Mitochondrial cholesterol
d. Golgi cholesterol

a. ER cholesterol

10

Where is the Pentose Phosphate Pathway highly active?
a. In adipose tissue
b. In neuronal cells
c. In rapidly proliferating cells

c. In rapidly proliferating cells