Question 1

How many NADH molecules are generated in the breakdown of one molecule of glucose in aerobic respiration?

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
E)  25 
A)  5 
B)  10 
C)  15 
D)  20 
E)  25 B

Question 2

Answer the following questions by matching each term with the most appropriate description.
 a.glycolysis
b.alcoholic fermentation
c.lactate fermentation
d.the Krebs cycle
e.electron transfer phosphorylation
-pathway used by white muscle fibers

Accepted Answer

C

Question 3

Most of the colors we see around us result from

Accepted Answer

A)  reflected light. 
B)  direct sunlight. 
C)  absorbed light. 
D)  the inherent color of the objects we are looking at. 
E)  a combination of absorbed and reflected light. 
A)  reflected light. 
B)  direct sunlight. 
C)  absorbed light. 
D)  the inherent color of the objects we are looking at. 
E)  a combination of absorbed and reflected light. A

Question 4

Which of the following would NOT be true of CAM plants?

Accepted Answer

A)  they fix carbon only once 
B)  they live in a desert environments 
C)  they fix carbon during the day and at night 
D)  they open stomata only at night 
E)  they do not use rubisco 
A)  they fix carbon only once 
B)  they live in a desert environments 
C)  they fix carbon during the day and at night 
D)  they open stomata only at night 
E)  they do not use rubisco

Question 5

The amount of energy released from a glucose molecule is dependent on what happens to

Accepted Answer

A)  carbon atoms. 
B)  oxygen atoms. 
C)  hydrogen atoms. 
D)  phosphorus atoms. 
E)  water molecules. 
A)  carbon atoms. 
B)  oxygen atoms. 
C)  hydrogen atoms. 
D)  phosphorus atoms. 
E)  water molecules.

Question 6

When fats are broken down to make ATP,what molecule is formed and in where in aerobic respiration does it enter?

Accepted Answer

A)  acetyl CoA which enters into glycolysis 
B)  acetyl CoA which enters into the Krebs Cycle 
C)  pyruvate which enters into the Krebs Cycle 
D)  PGAL which enters into electron transfer phosphorylation 
E)  PGAL which enters into glycolysis 
A)  acetyl CoA which enters into glycolysis 
B)  acetyl CoA which enters into the Krebs Cycle 
C)  pyruvate which enters into the Krebs Cycle 
D)  PGAL which enters into electron transfer phosphorylation 
E)  PGAL which enters into glycolysis

Question 7

The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH to

Accepted Answer

A)  oxygen. 
B)  acetyl-CoA. 
C)  FADH. 
D)  CO2. 
E)  NADPH. 
A)  oxygen. 
B)  acetyl-CoA. 
C)  FADH. 
D)  CO2. 
E)  NADPH.

Question 8

Which of the following is most descriptive of an electron transport chain?

Accepted Answer

A)  It generates energy from nothing. 
B)  It is a mechanism used by cells to dispose of unused electrons. 
C)  It transfers electron energy, stepwise, from one compound to another. 
D)  It transfers energy, stepwise, from one compound to another. 
E)  It requires activation by sunlight. 
A)  It generates energy from nothing. 
B)  It is a mechanism used by cells to dispose of unused electrons. 
C)  It transfers electron energy, stepwise, from one compound to another. 
D)  It transfers energy, stepwise, from one compound to another. 
E)  It requires activation by sunlight.

Question 9

Which of the following statements is CORRECT about C? plants?

Accepted Answer

A)  In C4 plants, fixation of carbon dioxide and the light-independent reactions occur in two different types of cells. 
B)  C4 plants are so called because a 4-carbon molecule is the first stable intermediate that forms in the light-independent reactions. 
C)  In C4 plants, carbon dioxide is fixed by an enzyme that does not use oxygen even at high oxygen levels. 
D)  C4 plants are adapted to produce glucose even when stomata are closed. 
E)  C4 plants do not use rubisco or the Calvin-Benson cycle. 
A)  In C4 plants, fixation of carbon dioxide and the light-independent reactions occur in two different types of cells. 
B)  C4 plants are so called because a 4-carbon molecule is the first stable intermediate that forms in the light-independent reactions. 
C)  In C4 plants, carbon dioxide is fixed by an enzyme that does not use oxygen even at high oxygen levels. 
D)  C4 plants are adapted to produce glucose even when stomata are closed. 
E)  C4 plants do not use rubisco or the Calvin-Benson cycle.

Question 10

To break down a glucose molecule completely,how many "turns" of the Krebs cycle are required?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
E)  12 
A)  2 
B)  3 
C)  4 
D)  6 
E)  12

Question 11

At the end of the electron transfer chain,the final electron acceptor is

Accepted Answer

A)  ATP. 
B)  oxygen. 
C)  NADP+. 
D)  water. 
E)  NADPH. 
A)  ATP. 
B)  oxygen. 
C)  NADP+. 
D)  water. 
E)  NADPH.

Question 12

Classification.The processes listed below represent major chemical pathways in the photosynthetic process.Answer the questions with reference to these five processes:
 a.light-dependent reactions
b.photorespiration
c.carbon dioxide fixation
d.Calvin-Benson cycle
e.C4 pathway
-Process that fixes carbon twice.

Accepted Answer

The answer of Classification.The processes listed below represent major chemical...

Question 13

Classification.The processes listed below represent major chemical pathways in the photosynthetic process.Answer the questions with reference to these five processes:
 a.light-dependent reactions
b.photorespiration
c.carbon dioxide fixation
d.Calvin-Benson cycle
e.C4 pathway
-Water is split in this process.

Accepted Answer

The answer of Classification.The processes listed below represent major chemical...

Question 14

For the light-independent reactions to occur,all of the following with one exception must be present.SELECT THE EXCEPTION.

Accepted Answer

A)  rubisco 
B)  light 
C)  RuBP 
D)  ATP and NADPH 
E)  pyruvate 
A)  rubisco 
B)  light 
C)  RuBP 
D)  ATP and NADPH 
E)  pyruvate

Question 15

Four of the five answers listed below are compounds associated with fermentation.Select the EXCEPTION.

Accepted Answer

A)  pyruvate 
B)  lactate 
C)  ethanol 
D)  acetyl CoA 
E)  acetaldehyde 
A)  pyruvate 
B)  lactate 
C)  ethanol 
D)  acetyl CoA 
E)  acetaldehyde

Question 16

The electrons that are passed to NADP? at the end of the electron transfer chain were obtained from

Accepted Answer

A)  water. 
B)  CO2. 
C)  glucose. 
D)  sunlight. 
E)  ATP. 
A)  water. 
B)  CO2. 
C)  glucose. 
D)  sunlight. 
E)  ATP.

Question 17

Where are the light-independent reactions occurring?

Accepted Answer

A)  in the cytoplasm 
B)  in the chloroplastic outer membrane 
C)  in the thylakoid membrane 
D)  in the stroma 
E)  in the matrix 
A)  in the cytoplasm 
B)  in the chloroplastic outer membrane 
C)  in the thylakoid membrane 
D)  in the stroma 
E)  in the matrix

Question 18

In eukaryotes,the electron transfer chain of aerobic respiration is located

Accepted Answer

A)  on the outer membrane of mitochondria. 
B)  in the inner compartment of mitochondria. 
C)  on the inner membrane of mitochondria. 
D)  throughout the cytoplasm of the cell. 
E)  in the outer compartment of mitochondria. 
A)  on the outer membrane of mitochondria. 
B)  in the inner compartment of mitochondria. 
C)  on the inner membrane of mitochondria. 
D)  throughout the cytoplasm of the cell. 
E)  in the outer compartment of mitochondria.

Question 19

In the Calvin-Benson cycle of photosynthesis,after carbon dioxide is fixed into a six carbon molecule,what molecule is generated in the cycle next?

Accepted Answer

A)  RuBP 
B)  glucose 
C)  PGA 
D)  ATP 
E)  NADPH 
A)  RuBP 
B)  glucose 
C)  PGA 
D)  ATP 
E)  NADPH

Question 20

Answer the following questions by matching each term with the most appropriate description.
 a.glycolysis
b.alcoholic fermentation
c.lactate fermentation
d.the Krebs cycle
e.electron transfer phosphorylation
-formation of acetaldehyde is next to the last step in this pathway

Accepted Answer

The answer of Answer the following questions by matching each...

Exam 5: Capturing and Releasing Energy

How many NADH molecules are generated in the breakdown of one molecule of glucose in aerobic respiration?

Answer the following questions by matching each term with the most appropriate description. a.glycolysis b.alcoholic fermentation c.lactate fermentation d.the Krebs cycle e.electron transfer phosphorylation -pathway used by white muscle fibers

Most of the colors we see around us result from

Which of the following would NOT be true of CAM plants?

The amount of energy released from a glucose molecule is dependent on what happens to

When fats are broken down to make ATP,what molecule is formed and in where in aerobic respiration does it enter?

The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH to

Which of the following is most descriptive of an electron transport chain?

Which of the following statements is CORRECT about C? plants?

To break down a glucose molecule completely,how many "turns" of the Krebs cycle are required?

At the end of the electron transfer chain,the final electron acceptor is

For the light-independent reactions to occur,all of the following with one exception must be present.SELECT THE EXCEPTION.

Four of the five answers listed below are compounds associated with fermentation.Select the EXCEPTION.

The electrons that are passed to NADP? at the end of the electron transfer chain were obtained from

Where are the light-independent reactions occurring?

In eukaryotes,the electron transfer chain of aerobic respiration is located

In the Calvin-Benson cycle of photosynthesis,after carbon dioxide is fixed into a six carbon molecule,what molecule is generated in the cycle next?

Answer the following questions by matching each term with the most appropriate description. a.glycolysis b.alcoholic fermentation c.lactate fermentation d.the Krebs cycle e.electron transfer phosphorylation -formation of acetaldehyde is next to the last step in this pathway

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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