Module 4 HW Quiz

Question 1

Which of the following statements regarding the conversion step of pyruvate is false

Answer 1

Each pyruvate molecule has a carbon dioxide added then joins with an NADH

Question 2

The anaerobic reactions of cellular respiration occur in the ___the aerobic reactions of cellular respiration occur in the

Answer 2

Cytoplasm without oxygen required, mitochondria with oxygen required

Question 3

Enzymes work with___substrates

Answer 3

Specific

Question 4

bacterial production of the enzymes needed for the synthesis of amino acid tryptophan the clients with increasing levels of tryptophan and increases as tryptophan levels decline this is an example of

Answer 4

Feedback inhibition

Question 5

During chemiosmosis

Answer 5

ATP is synthesized when hydrogen ions move through a channel and ATP synthase

Question 6

As a result of glycolysis there is a net gain of

Answer 6

2atp

Question 7

roteone is a poison commonly added to insecticides rhodium binds tightly with one electron carrier molecules in the electron transport chain preventing electrons from passing to the next carrier molecule insects exposed to roteone will die because

Answer 7

They won’t be able to produce ATP

Question 8

Vitamins act as

Answer 8

Coenzymes

Question 9

As electrons move through the mitochondrial space

Answer 9

The pH of the intermembrane space changes

Question 10

Which of the following statements regarding the movement of electrons during cellular respiration is true

Answer 10

O2 is reduced when it accepts electrons and forms water

Question 11

In the electron transport chain the final electron acceptor is

Answer 11

Oxygen

Question 12

The citric acid cycle happens in

Answer 12

Matrix

Question 13

Which is common in aerobic and anaerobic metabolism

Answer 13

Glycolysis

Question 14

Q which of the following is a result of glycolysis

Answer 14

Conversion of glucose to two three carbon compounds (pyruvate)

Question 15

arsenic is a poison that binds to a molecule needed to build a seal coenzyme a based on this information which part of cellular respiration would be stopped if arsenic were ingested

Answer 15

Citric acid cycle

Question 16

How do cells capture the energy released by cellular respiration

Answer 16

They produce ATP

Question 17

The cristae

Answer 17

Increase surface area

Question 18

At the end of the citric acid cycle most of the energy is stored in

Answer 18

NADH

Question 19

Fermentation is

Answer 19

How carrier molecules are regenerated when there is no oxygen

Question 20

wood frogs freeze solid during the winter and then thaw in the spring as the freezing progresses blood circulation stops how would you expect the cells not being served by the circulatory system to produce ATP during this time and what by product would you expect to build up in the cells

Answer 20

Fermentation lactate

Question 21

To obtain energy from starch and glycogen the body must begin by

Answer 21

Hydrolyzing both starch and glycogen to glucose

Question 22

The active site of an enzyme is

Answer 22

The part where the substrate binds