Question 1

During beer production, glucose is harnessed from the fermentation of ____.

Accepted Answer

A)  yeast 
B)  barley 
C)  sucrose 
D)  gluten 
E)  lactate 
A)  yeast 
B)  barley 
C)  sucrose 
D)  gluten 
E)  lactate B

Question 2

The products of Krebs cycle are ____.

Accepted Answer

A)  NADH and FADH2 
B)  complex carbohydrates and proteins 
C)  carbon dioxide and citrate 
D)  oxygen and glucose 
E)  NADH and ATP 
A)  NADH and FADH2 
B)  complex carbohydrates and proteins 
C)  carbon dioxide and citrate 
D)  oxygen and glucose 
E)  NADH and ATP A

Question 3

The proportion of white muscle fibers that sustain anaerobic to red muscle fibers that sustain aerobic activity in sprinters is likely to ____.

Accepted Answer

A)  be lower than in marathon runners 
B)  be higher than in marathon runners 
C)  be equal to that in marathon runners 
D)  depend mostly on the sex of the sprinter 
E)  depend mostly on the age of the sprinter 
A)  be lower than in marathon runners 
B)  be higher than in marathon runners 
C)  be equal to that in marathon runners 
D)  depend mostly on the sex of the sprinter 
E)  depend mostly on the age of the sprinter B

Question 4

Acetyl-CoA accumulation in liver cells triggers____.

Accepted Answer

A)  ketogenesis 
B)  gluconeogenesis 
C)  phosphorylation 
D)  fermentation 
E)  hibernation 
A)  ketogenesis 
B)  gluconeogenesis 
C)  phosphorylation 
D)  fermentation 
E)  hibernation

Question 5

Which source of energy powers alcoholic fermentation?

Accepted Answer

A)  light 
B)  ATP and NADPH 
C)  photosystem II 
D)  glucose 
E)  NADP+ 
A)  light 
B)  ATP and NADPH 
C)  photosystem II 
D)  glucose 
E)  NADP+

Question 6

The ____ is located between the mitochondrial membranes.

Accepted Answer

A)  intermembrane pore 
B)  mitochondrial matrix 
C)  cytoplasm 
D)  intermembrane space 
E)  outer membrane 
A)  intermembrane pore 
B)  mitochondrial matrix 
C)  cytoplasm 
D)  intermembrane space 
E)  outer membrane

Question 7

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 8

What is the role of oxygen gas in aerobic respiration?

Accepted Answer

A)  to provide electrons for NADH 
B)  to accept energy from glucose 
C)  to accept electrons from electron transport 
D)  to provide kinetic energy for ATP synthase 
E)  to donate electrons for electron transport 
A)  to provide electrons for NADH 
B)  to accept energy from glucose 
C)  to accept electrons from electron transport 
D)  to provide kinetic energy for ATP synthase 
E)  to donate electrons for electron transport

Question 9

Mitochondria have ____ membrane(s).

Accepted Answer

A)  two 
B)  one 
C)  five 
D)  four 
E)  three 
A)  two 
B)  one 
C)  five 
D)  four 
E)  three

Question 10

If an aerobic organism stopped taking in oxygen, which process would stop first?

Accepted Answer

A)  the splitting of glucose into two pyruvates 
B)  the reduction of NAD+ to NADH 
C)  the release of carbon dioxide 
D)  electron transfer phosphorylation 
E)  the initiation of the Krebs cycle 
A)  the splitting of glucose into two pyruvates 
B)  the reduction of NAD+ to NADH 
C)  the release of carbon dioxide 
D)  electron transfer phosphorylation 
E)  the initiation of the Krebs cycle

Question 11

Reduction of metabolic rate and body temperature occur during ____.

Accepted Answer

A)  hibernation 
B)  alcohol fermentation 
C)  ATP formation 
D)  oxidation 
E)  citric acid cycle 
A)  hibernation 
B)  alcohol fermentation 
C)  ATP formation 
D)  oxidation 
E)  citric acid cycle

Question 12

Glycolysis converts glucose into ____.

Accepted Answer

A)  pigments 
B)  organic compounds 
C)  proteins 
D)  electrons and protons 
E)  heat energy 
A)  pigments 
B)  organic compounds 
C)  proteins 
D)  electrons and protons 
E)  heat energy

Question 13

How much energy released from glucose in aerobic respiration is dispersed as metabolic heat?

Accepted Answer

A)  1 percent 
B)  10 percent 
C)  6 percent 
D)  60 percent 
E)  100 percent 
A)  1 percent 
B)  10 percent 
C)  6 percent 
D)  60 percent 
E)  100 percent

Question 14

Match between columns
                        Premises: electron transfer chain
ATP synthase
conversion of ADP + P S1U1B1iS1U1B0 to ATP
energy release
OS1U1B12S1U1B0

Accepted Answer

The Answer of hydrogen ions move down their concentration and is...

Question 15

In animals, when ATP concentrations are high, glucose is converted into ____.

Accepted Answer

A)  starch 
B)  glycogen 
C)  pyruvate 
D)  carbon dioxide 
E)  glycerol 
A)  starch 
B)  glycogen 
C)  pyruvate 
D)  carbon dioxide 
E)  glycerol

Question 16

Which of the following is not produced by the Krebs cycle?

Accepted Answer

A)  PGAL 
B)  CO2 
C)  NADH 
D)  FADH2 
E)  ATP 
A)  PGAL 
B)  CO2 
C)  NADH 
D)  FADH2 
E)  ATP

Question 17

The bubbles in beer are ____.

Accepted Answer

A)  carbon dioxide 
B)  oxygen 
C)  ethanol 
D)  pyruvate 
E)  nitrous oxide 
A)  carbon dioxide 
B)  oxygen 
C)  ethanol 
D)  pyruvate 
E)  nitrous oxide

Question 18

The main harvesters of energy directly from the environment are ____.

Accepted Answer

A)  farmers 
B)  light 
C)  plants 
D)  cows 
E)  methane 
A)  farmers 
B)  light 
C)  plants 
D)  cows 
E)  methane

Question 19

Consider a glucose molecule that is completely oxidized during the process of cellular respiration. What is the correct sequence in the series of reactions? I. glycolysis
II) phosphorylation
III) Krebs cycle

Accepted Answer

A)  I >>> II >>> III 
B)  I >>> III >>> II 
C)  II >>> I >>> III 
D)  II >>> III >>> I 
E)  III >>> I >>> II 
A)  I >>> II >>> III 
B)  I >>> III >>> II 
C)  II >>> I >>> III 
D)  II >>> III >>> I 
E)  III >>> I >>> II

Question 20

ATP is formed when ____ the inner mitochondrial membrane.

Accepted Answer

A)  hydrogen ions enter 
B)  hydrogen ions leave 
C)  electrons leave 
D)  electrons enter 
E)  water is split into 
A)  hydrogen ions enter 
B)  hydrogen ions leave 
C)  electrons leave 
D)  electrons enter 
E)  water is split into

Exam 6: Releasing Chemical Energy

During beer production, glucose is harnessed from the fermentation of ____.

The products of Krebs cycle are ____.

The proportion of white muscle fibers that sustain anaerobic to red muscle fibers that sustain aerobic activity in sprinters is likely to ____.

Acetyl-CoA accumulation in liver cells triggers____.

Which source of energy powers alcoholic fermentation?

The ____ is located between the mitochondrial membranes.

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

What is the role of oxygen gas in aerobic respiration?

Mitochondria have ____ membrane(s).

If an aerobic organism stopped taking in oxygen, which process would stop first?

Reduction of metabolic rate and body temperature occur during ____.

Glycolysis converts glucose into ____.

How much energy released from glucose in aerobic respiration is dispersed as metabolic heat?

In animals, when ATP concentrations are high, glucose is converted into ____.

Which of the following is not produced by the Krebs cycle?

The bubbles in beer are ____.

The main harvesters of energy directly from the environment are ____.

Consider a glucose molecule that is completely oxidized during the process of cellular respiration. What is the correct sequence in the series of reactions? I. glycolysis II) phosphorylation III) Krebs cycle

ATP is formed when ____ the inner mitochondrial membrane.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and 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

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

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