Ch. 11 Quiz

Question 1

If the mitochondria were removed from a cell, which of the following would immediately stop?

Answer 1

The citric acid cycle

Question 2

The final election acceptor in mitochondrial respiration is ___.

Answer 2

O2

Question 3

Which of the following is the most energy efficient?

Answer 3

Aerobic respiration of carbohydrates

Question 4

If you grow yeast cells in a sealed container that contains a sugar solution, what begins to appear in solution is ethanol and the cells begin to die. This happens because..

Answer 4

There is a lack of oxygen

Question 5

If you water a plant in a pot without a hole in the bottom twice a week, the plant will..

Answer 5

Die because the roots lack oxygen for respiration

Question 6

If plant roots stand in water until all of the dissolved oxygen has been used, the cells switch to anaerobic respiration. The main reason that the pyruvate produced in glycolysis is further metabolized is to..

Answer 6

Regenerate NAD necessary for glycolysis to occur so ATP can be synthesized

Question 7

Which of the following does not occur in thermogenic respiration?

Answer 7

Chemiosmotic synthesis of ATP

Question 8

In the citric acid cycle, citrate is oxidized through many steps to oxaloacetate, releasing energy. A majority of the unable energy released is stored temporarily in ___.

Answer 8

NADH

Question 9

In which of the following parts of aerobic respiration is NAD+ reduced to NADH?

Answer 9

Glycolysis + citric acid cycle + pyruvate -> acetyl CoA

Question 10

The net gain to a cell from glycolysis is..

Answer 10

2 ATP, 2 NADPH, and 2 pyruvate