Question 1

The Krebs cycle takes place in the

Accepted Answer

A)  ribosomes. 
B)  cytoplasm. 
C)  nucleus. 
D)  mitochondria. 
E)  chloroplasts. 
A)  ribosomes. 
B)  cytoplasm. 
C)  nucleus. 
D)  mitochondria. 
E)  chloroplasts. D

Question 2

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. C

Question 3

Earth is the warmest it has been for ____ years.

Accepted Answer

A)  12 
B)  120 
C)  1200 
D)  12, 000 
E)  12, 000, 000 
A)  12 
B)  120 
C)  1200 
D)  12, 000 
E)  12, 000, 000 D

Question 4

The stroma of a chloroplast is most like which of the following cellular structures?

Accepted Answer

A)  ribosomes 
B)  cell membranes 
C)  the cytoplasm 
D)  nuclei 
E)  mitochondria 
A)  ribosomes 
B)  cell membranes 
C)  the cytoplasm 
D)  nuclei 
E)  mitochondria

Question 5

Ultimately, for aerobic organisms, where does the energy in ATP come from?

Accepted Answer

A)  glucose 
B)  pyruvate 
C)  water 
D)  NADPH 
E)  sunlight 
A)  glucose 
B)  pyruvate 
C)  water 
D)  NADPH 
E)  sunlight

Question 6

In animal skeletal muscles, white muscle fibers

Accepted Answer

A)  have an abundance of myoglobin. 
B)  make ATP by lactate fermentation. 
C)  produce ethanol. 
D)  are good for sustained activities. 
E)  are not found in chickens. 
A)  have an abundance of myoglobin. 
B)  make ATP by lactate fermentation. 
C)  produce ethanol. 
D)  are good for sustained activities. 
E)  are not found in chickens.

Question 7

Chlorophyll a molecules absorb ____ light.

Accepted Answer

A)  orange, green and yellow 
B)  orange, purple and red 
C)  red and yellow 
D)  orange and blue 
E)  purple, orange, and yellow 
A)  orange, green and yellow 
B)  orange, purple and red 
C)  red and yellow 
D)  orange and blue 
E)  purple, orange, and yellow

Question 8

Which of the following statements is correct?

Accepted Answer

A)  the products of photosynthesis are the reactants of aerobic respiration 
B)  the products of aerobic respiration are the reactants of photosynthesis 
C)  the products of photosynthesis are the products of respiration 
D)  the reactants of respiration are the reactants of photosynthesis 
E)  more than one of these is correct 
A)  the products of photosynthesis are the reactants of aerobic respiration 
B)  the products of aerobic respiration are the reactants of photosynthesis 
C)  the products of photosynthesis are the products of respiration 
D)  the reactants of respiration are the reactants of photosynthesis 
E)  more than one of these is correct

Question 9

In animal skeletal muscles, red muscle fibers

Accepted Answer

A)  have an abundance of myoglobin. 
B)  are mainly anaerobic. 
C)  have few mitochondria. 
D)  are good for short bursts of activity. 
E)  more than one of these answers is true. 
A)  have an abundance of myoglobin. 
B)  are mainly anaerobic. 
C)  have few mitochondria. 
D)  are good for short bursts of activity. 
E)  more than one of these answers is true.

Question 10

When all the wavelengths of light are combined, it becomes

Accepted Answer

A)  white. 
B)  black. 
C)  invisible. 
D)  all the colors of the rainbow. 
E)  thicker. 
A)  white. 
B)  black. 
C)  invisible. 
D)  all the colors of the rainbow. 
E)  thicker.

Question 11

The conversion of solar energy into chemical energy occurs during

Accepted Answer

A)  glycolysis. 
B)  photosynthesis. 
C)  respiration. 
D)  fermentation. 
E)  chemosynthesis. 
A)  glycolysis. 
B)  photosynthesis. 
C)  respiration. 
D)  fermentation. 
E)  chemosynthesis.

Question 12

On hot, dry days, what problem arises for C3 plants?

Accepted Answer

A)  oxygen binds to rubisco's active sites preventing carbon fixation 
B)  with stomata open, they lose excessive water 
C)  too much glucose is produced 
D)  carbon dioxide fixes to RuBP instead of PGA 
E)  the electrons from water bind to ADP instead of NADPH 
A)  oxygen binds to rubisco's active sites preventing carbon fixation 
B)  with stomata open, they lose excessive water 
C)  too much glucose is produced 
D)  carbon dioxide fixes to RuBP instead of PGA 
E)  the electrons from water bind to ADP instead of NADPH

Question 13

What powers the ATP synthase enzyme in the light-dependent reactions of photosynthesis?

Accepted Answer

A)  energy from ATP 
B)  energy from NADPH 
C)  energy from the splitting of water 
D)  energy from electron transfer chains 
E)  energy from the flow of hydrogen ions 
A)  energy from ATP 
B)  energy from NADPH 
C)  energy from the splitting of water 
D)  energy from electron transfer chains 
E)  energy from the flow of hydrogen ions

Question 14

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 15

For glycolysis to occur,

Accepted Answer

A)  glucose must enter the mitochondria. 
B)  there must be an input of energy from ATP. 
C)  oxygen must be available. 
D)  ATP syntase must be activated. 
E)  heat must be supplied. 
A)  glucose must enter the mitochondria. 
B)  there must be an input of energy from ATP. 
C)  oxygen must be available. 
D)  ATP syntase must be activated. 
E)  heat must be supplied.

Question 16

Which of the following is NOT found in a chloroplast?

Accepted Answer

A)  a single outer membrane 
B)  DNA 
C)  ribosomes 
D)  stroma 
E)  thylakoids 
A)  a single outer membrane 
B)  DNA 
C)  ribosomes 
D)  stroma 
E)  thylakoids

Question 17

Selecting the Exception Four of the five answers listed below are degradation processes for carbon compounds. Select the EXCEPTION.

Accepted Answer

A)  Calvin-Benson cycle 
B)  Krebs cycle 
C)  fermentation 
D)  respiration 
E)  glycolysis 
A)  Calvin-Benson cycle 
B)  Krebs cycle 
C)  fermentation 
D)  respiration 
E)  glycolysis

Question 18

Cheese, yogurt, and buttermilk are produced by bacteria that form

Accepted Answer

A)  ethyl alcohol. 
B)  acetaldehyde. 
C)  pyruvate. 
D)  lactate. 
E)  citrate. 
A)  ethyl alcohol. 
B)  acetaldehyde. 
C)  pyruvate. 
D)  lactate. 
E)  citrate.

Question 19

In which of the following do the light-dependent reactions of photosynthesis take place?

Accepted Answer

A)  thylakoid membranes 
B)  stroma 
C)  the outermost membrane 
D)  between the outermost and innermost membranes 
E)  a combination of more than one of these 
A)  thylakoid membranes 
B)  stroma 
C)  the outermost membrane 
D)  between the outermost and innermost membranes 
E)  a combination of more than one of these

Question 20

The energy that drives the light-independent reactions comes from

Accepted Answer

A)  sunlight. 
B)  glucose. 
C)  carbon dioxide. 
D)  ATP and NADPH. 
E)  water and oxygen. 
A)  sunlight. 
B)  glucose. 
C)  carbon dioxide. 
D)  ATP and NADPH. 
E)  water and oxygen.

Exam 5: Capturing and Releasing Energy

The Krebs cycle takes place in the

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

Earth is the warmest it has been for ____ years.

The stroma of a chloroplast is most like which of the following cellular structures?

Ultimately, for aerobic organisms, where does the energy in ATP come from?

In animal skeletal muscles, white muscle fibers

Chlorophyll a molecules absorb ____ light.

Which of the following statements is correct?

In animal skeletal muscles, red muscle fibers

When all the wavelengths of light are combined, it becomes

The conversion of solar energy into chemical energy occurs during

On hot, dry days, what problem arises for C3 plants?

What powers the ATP synthase enzyme in the light-dependent reactions of photosynthesis?

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

For glycolysis to occur,

Which of the following is NOT found in a chloroplast?

Selecting the Exception Four of the five answers listed below are degradation processes for carbon compounds. Select the EXCEPTION.

Cheese, yogurt, and buttermilk are produced by bacteria that form

In which of the following do the light-dependent reactions of photosynthesis take place?

The energy that drives the light-independent reactions comes from

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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