Test 3 - Quiz #8

Question 1

Which of the following contains their own genomes?
A. Mitochondria but not chloroplasts and peroxisomes
B. Chloroplasts but not mitochondria and peroxisomes
C. Mitochondria and Chloroplasts but not peroxisomes
D. Mitochondria, chloroplasts and peroxisomes

Answer 1

C. Mitochondria and Chloroplasts but not peroxisomes

Question 2

The citric acid cycle consists of the oxidation of \_\_\_\_\_\_ to produce \_\_\_\_\_\_.
     A. Pyruvate; CO2, NADH and FADH2
     B. Acetyl CoA; CO2, NADH and FADH2
     C. Pyruvate;CO2
     D. Pyruvate, NADH and FADH2

Answer 2

B. Acetyl CoA; CO2, NADH and FADH2

Question 3

The mitochondrial outer membrane contains channels composed of proteins called \_\_\_\_\_\_
     A. Porins
     B. Aquaporins
     C. Connexins
     D. Claudins

Answer 3

A. Porins

Question 4

The inner mitochondrial membrane contains proteins that \_\_\_\_\_\_.
     A. Synthesize ATP
     B. Pump Protons
     C. Transport Pyruvate
     D. All of the above

Answer 4

D. All of the above

Question 5

Most mitochondrial genomes consist of \_\_\_\_\_\_\_.
     A. Single linear DNA molecule
     B. Several linear DNA molecules
     C. Several Circular DNA molecules
     D. Single Circular DNA molecule

Answer 5

C. Several Circular DNA molecules

Question 6

Tim and Tom are
A. Twin brothers with the same mitochondrial disease
B. Chaperones
C. Protein translocators in mitochondrial membranes
D. Transporters of small molecules across the mitochondrial membranes.

Answer 6

C. Protein translocators in mitochondrial membranes