Module 3 Practice Quiz

Question 1

The inner membrane of the mitochondria is called the

Answer 1

Cristae

Question 2

Glucose enters cells
a) by a specific transporter
d) endocytosis
b) down its chemical gradient
c) by diffusion.

Answer 2

by a specific transporter

Question 3

At the end of glycolysis, how much ATP has been produced

Answer 3

2

Question 4

Under anaerobic conditions pyruvate has been converted to?

Answer 4

Lactase

Question 5

During the electron transport chain, H+ are concentrated in the

Answer 5

Intermembrane space

Question 6

Which of the following molecules contains the most stored energy?
a) monosaccharide
d) a disaccharides
b) a fatty acid
c) amino acid

Answer 6

fatty acid

Question 7

What is the primary energy source for the heart?

Answer 7

Fatty Acids

Question 8

Drinking sea water with a high salt content will result in the loss of water in the body because sea water is

Answer 8

Hypertonic

Question 9

Which of the following can pass freely through the plasma membrane
a) glucose
b) nitric oxide
c) phosphate
d) alcohol

Answer 9

Nitric Oxide (NO)

Question 10

What is true about the charges of the head groups of phospholipids and their location in the leaflets?

a) CL is positively charged and cytosolic
b)PI is negatively charged and in both leaflets equally
d) PE is positively charged and cytosolic
c) PS is polar and exoplasmic

Answer 10

PE (Phosphatidylethanolamine)
is positively charged and cytosolic

Question 11

Which of the following will increase the fluidity of the plasma membrane?
a) cholesterol content greater than 50%
b) increased temperature
c) lower unsaturated lipid content
d) High amount of protein.

Answer 11

Increased temperature.