Question 1

The three main categories of energy-producing foods are ____.

Accepted Answer

A) fats, carbohydrates and vitamins 
B) fats, vitamins and proteins 
C) fats, carbohydrates and proteins 
D) fats, carbohydrates and alcohol 
E) carbohydrates, vitamins and proteins 
A) fats, carbohydrates and vitamins 
B) fats, vitamins and proteins 
C) fats, carbohydrates and proteins 
D) fats, carbohydrates and alcohol 
E) carbohydrates, vitamins and proteins C

Question 2

Which of the following molecules is/are formed at the end of the electron transfer process?

Accepted Answer

A) ATP only 
B) NADPH only 
C) ATP and NADPH 
D) NADP+ 
E) ATP and NADP+ 
A) ATP only 
B) NADPH only 
C) ATP and NADPH 
D) NADP+ 
E) ATP and NADP+ C

Question 3

What do free radicals do?

Accepted Answer

A) Improve the efficiency of aerobic respiration. 
B) Act as coenzymes in glycolysis. 
C) Damage biological molecules. 
D) Remove metals that combine with oxygen gas. 
E) Enhance enzyme activity. 
A) Improve the efficiency of aerobic respiration. 
B) Act as coenzymes in glycolysis. 
C) Damage biological molecules. 
D) Remove metals that combine with oxygen gas. 
E) Enhance enzyme activity. C

Question 4

If a pigment absorbed violet, yellow, orange, red, and green light, what color would it appear to be?

Accepted Answer

A) white 
B) brown 
C) black 
D) blue 
E) gray 
A) white 
B) brown 
C) black 
D) blue 
E) gray

Question 5

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 6

You are a botanist living in the desert. A friend asks you which plant would be most practical to plant in their yard. What is your answer?

Accepted Answer

A) Any plant, as long as it is well-watered 
B) Only C3 plants 
C) Only C4 plants 
D) Only CAM plants 
E) C3 or C4 plants, but not CAM plants 
A) Any plant, as long as it is well-watered 
B) Only C3 plants 
C) Only C4 plants 
D) Only CAM plants 
E) C3 or C4 plants, but not CAM plants

Question 7

We know that carbon dioxide levels were in the atmosphere millions of years ago through ____.

Accepted Answer

A) radioisotope dating 
B) measuring carbon dioxide levels in fossil fuel samples 
C) measuring carbon isotope ratios in fossil fuel samples 
D) measuring carbon dioxide levels in air pockets in ice cores 
E) measuring carbon isotope ratios in air pockets in ice cores 
A) radioisotope dating 
B) measuring carbon dioxide levels in fossil fuel samples 
C) measuring carbon isotope ratios in fossil fuel samples 
D) measuring carbon dioxide levels in air pockets in ice cores 
E) measuring carbon isotope ratios in air pockets in ice cores

Question 8

Match between columns
                        Premises: A process resulting in the formation of ATP, NADH, and COS1U1B12S1U1B0

Accepted Answer

The Answer of glycolysis and electron transfer phosphorylation and lactate is...

Question 9

The carbon dioxide acceptor in the Calvin-Benson cycle of photosynthesis is ____.

Accepted Answer

A) phosphoglycerate (PG
A)  
B) ribulose bisphosphate (RuBP) 
C) phosphoglyceraldehyde (PGAL) 
D) glucose 
E) Phosphoenolpyruvate 
A) phosphoglycerate (PG
A)  
B) ribulose bisphosphate (RuBP) 
C) phosphoglyceraldehyde (PGAL) 
D) glucose 
E) Phosphoenolpyruvate

Question 10

Pigments are ____.

Accepted Answer

A) inorganic molecules that absorb all light 
B) organic molecules that absorb all light 
C) inorganic molecules that absorb specific wavelengths of light 
D) organic molecules that absorb specific wavelengths of light 
E) inorganic molecules that reflect specific wavelengths of light 
A) inorganic molecules that absorb all light 
B) organic molecules that absorb all light 
C) inorganic molecules that absorb specific wavelengths of light 
D) organic molecules that absorb specific wavelengths of light 
E) inorganic molecules that reflect specific wavelengths of light

Question 11

Which product(s)are formed in lactate fermentation?

Accepted Answer

A) ethanol only 
B) lactate only 
C) ethanol and lactate 
D) ethanol and carbon dioxide 
E) lactate and carbon dioxide 
A) ethanol only 
B) lactate only 
C) ethanol and lactate 
D) ethanol and carbon dioxide 
E) lactate and carbon dioxide

Question 12

The stroma of a chloroplast is most like which cellular structure?

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 13

Which group of molecules serves as inputs for the light-independent reactions?

Accepted Answer

A) H2O, ATP, and NADPH 
B) CO2, NADPH, and H2O 
C) CO2 and NADPH 
D) ATP, NADPH, H2O, and CO2 
E) NADPH, ATP, and CO2 
A) H2O, ATP, and NADPH 
B) CO2, NADPH, and H2O 
C) CO2 and NADPH 
D) ATP, NADPH, H2O, and CO2 
E) NADPH, ATP, and CO2

Question 14

When chlorophyll absorbs light energy, ____.

Accepted Answer

A) chlorophyll is converted to carotene 
B) the molecules begin to move more rapidly 
C) the plant becomes radioactive 
D) electrons jump to a higher energy level 
E) the molecules become ionized 
A) chlorophyll is converted to carotene 
B) the molecules begin to move more rapidly 
C) the plant becomes radioactive 
D) electrons jump to a higher energy level 
E) the molecules become ionized

Question 15

According to evidence from ice layers from the Antarctic, atmospheric carbon dioxide levels have been rising since ____.

Accepted Answer

A) the dinosaurs went extinct 
B) about 10,000 years ago 
C) the industrial revolution began 
D) the 1970s 
E) humanevolved200,000yearsago 
A) the dinosaurs went extinct 
B) about 10,000 years ago 
C) the industrial revolution began 
D) the 1970s 
E) humanevolved200,000yearsago

Question 16

When glucose is used as the energy source, the largest amount of ATP is produced in ____.

Accepted Answer

A) glycolysis 
B) acetyl-CoA formation 
C) the Krebs cycle 
D) fermentation 
E) electron transfer phosphorylation 
A) glycolysis 
B) acetyl-CoA formation 
C) the Krebs cycle 
D) fermentation 
E) electron transfer phosphorylation

Question 17

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 18

In most plants, glucose is stored as ____.

Accepted Answer

A) glucose 
B) starch 
C) sucrose 
D) glycogen 
E) cellulose 
A) glucose 
B) starch 
C) sucrose 
D) glycogen 
E) cellulose

Question 19

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 20

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

Exam 5: Capturing and Releasing Energy

The three main categories of energy-producing foods are ____.

Which of the following molecules is/are formed at the end of the electron transfer process?

What do free radicals do?

If a pigment absorbed violet, yellow, orange, red, and green light, what color would it appear to be?

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

You are a botanist living in the desert. A friend asks you which plant would be most practical to plant in their yard. What is your answer?

We know that carbon dioxide levels were in the atmosphere millions of years ago through ____.

The carbon dioxide acceptor in the Calvin-Benson cycle of photosynthesis is ____.

Pigments are ____.

Which product(s)are formed in lactate fermentation?

The stroma of a chloroplast is most like which cellular structure?

Which group of molecules serves as inputs for the light-independent reactions?

When chlorophyll absorbs light energy, ____.

According to evidence from ice layers from the Antarctic, atmospheric carbon dioxide levels have been rising since ____.

When glucose is used as the energy source, the largest amount of ATP is produced in ____.

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

In most plants, glucose is stored as ____.

In animal skeletal muscles, white muscle fibers ____.

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

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

Filters

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