Question 1

During which stage of cellular respiration is the majority of the ATP produced?

Accepted Answer

A) Glycolysis 
B) Citric acid cycle 
C) Fermentation 
D) Electron transport chain 
A) Glycolysis 
B) Citric acid cycle 
C) Fermentation 
D) Electron transport chain D

Question 2

The label on a box of fudge-covered cookies indicates that a serving size is three cookies,and the number of calories in a serving size is 170.Calculate the approximate number of Calories in a single cookie.

Accepted Answer

A) 12 
B) 105 
C) 57 
D) 510 
A) 12 
B) 105 
C) 57 
D) 510 C

Question 3

Which arrow would be most closely related to kinetic energy?

Accepted Answer

A) Arrow A,the tongue extending 
B) Arrow B,the bug being eaten 
C) Arrow C,sunlight striking the chameleon 
D) Arrow D,heat radiating from the chameleon 
A) Arrow A,the tongue extending 
B) Arrow B,the bug being eaten 
C) Arrow C,sunlight striking the chameleon 
D) Arrow D,heat radiating from the chameleon A

Question 4

In evaluating the data,why do you think the oxygen levels rise and fall over a 24-hour period?

Accepted Answer

A) Algae in the water produce more oxygen during the daylight hours than the fish consume. 
B) The fish consume more oxygen during the nighttime hours than algae can produce. 
C) Both of these explain the rise and fall pattern. 
D) Neither of these explains the rise and fall pattern. 
A) Algae in the water produce more oxygen during the daylight hours than the fish consume. 
B) The fish consume more oxygen during the nighttime hours than algae can produce. 
C) Both of these explain the rise and fall pattern. 
D) Neither of these explains the rise and fall pattern.

Question 5

Why do you need oxygen? (What role does O₂ play in aerobic respiration?)

Accepted Answer

A) It is the final electron acceptor at the end of the electron transport chain. 
B) It combines with acetyl-CoA at the start of the citric acid cycle. 
C) It is given off as a by-product during the oxidation of pyruvate. 
D) It combines with H₂O to help drive the formation of ATP. 
A) It is the final electron acceptor at the end of the electron transport chain. 
B) It combines with acetyl-CoA at the start of the citric acid cycle. 
C) It is given off as a by-product during the oxidation of pyruvate. 
D) It combines with H₂O to help drive the formation of ATP.

Question 6

Which arrow would be most closely related to the least organized form of energy?

Accepted Answer

A) Arrow A,the tongue extending 
B) Arrow B,the bug being eaten 
C) Arrow C,sunlight striking the chameleon 
D) Arrow D,heat radiating from the chameleon 
A) Arrow A,the tongue extending 
B) Arrow B,the bug being eaten 
C) Arrow C,sunlight striking the chameleon 
D) Arrow D,heat radiating from the chameleon

Question 7

Where do the ground state electrons come from that are excited by the energy in sunlight?

Accepted Answer

A) NADPH 
B) ATP 
C) Sugar 
D) Chlorophyll 
A) NADPH 
B) ATP 
C) Sugar 
D) Chlorophyll

Question 8

What is the role of light in photosynthesis?

Accepted Answer

A) It is the source for electrons. 
B) It fixes carbon. 
C) It energizes electrons. 
D) It splits ATP molecules,which generates energy. 
A) It is the source for electrons. 
B) It fixes carbon. 
C) It energizes electrons. 
D) It splits ATP molecules,which generates energy.

Question 9

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

Accepted Answer

A) 1 
B) 6 
C) 12 
D) Not enough information provided 
A) 1 
B) 6 
C) 12 
D) Not enough information provided

Question 10

What is the role of chloroplasts in animals?

Accepted Answer

A) Produce ATP 
B) Photosynthesis 
C) Produce sugars 
D) None,as animals do not have chloroplasts 
A) Produce ATP 
B) Photosynthesis 
C) Produce sugars 
D) None,as animals do not have chloroplasts

Question 11

What does it mean to "fix" carbon and during which stage of photosynthesis is carbon fixed?

Accepted Answer

Carbon is fixed during photosy

Question 12

Why can't an aerobic bacterium produce as much energy from a gram of sugar as an animal cell?

Accepted Answer

A bacteria cell is prokaryotic and there

Question 13

Organize the following steps of the light reaction in order.

Accepted Answer

A) Absorb sunlight,produce high-energy electron carriers,produce oxygen,split water 
B) Absorb sunlight,produce high-energy electron carriers,split water,produce oxygen 
C) Absorb sunlight,split water,produce oxygen,produce high-energy electron carriers 
D) Absorb sunlight,produce oxygen,split water,produce high-energy electron carriers 
A) Absorb sunlight,produce high-energy electron carriers,produce oxygen,split water 
B) Absorb sunlight,produce high-energy electron carriers,split water,produce oxygen 
C) Absorb sunlight,split water,produce oxygen,produce high-energy electron carriers 
D) Absorb sunlight,produce oxygen,split water,produce high-energy electron carriers

Question 14

Alcohol is a waste product produced by yeast in the presence of sugar and the absence of ________.

Accepted Answer

A) CO₂ 
B) H₂O 
C) O₂ 
D) ATP 
A) CO₂ 
B) H₂O 
C) O₂ 
D) ATP

Question 15

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Accepted Answer

A) Energy 
B) Chlorophyll 
C) Carbon 
D) Electrons 
A) Energy 
B) Chlorophyll 
C) Carbon 
D) Electrons

Question 16

Which of the following is a waste product of photosynthesis?

Accepted Answer

A) CO₂ 
B) H₂O 
C) O₂ 
D) All of these 
A) CO₂ 
B) H₂O 
C) O₂ 
D) All of these

Question 17

Choose the best explanation as to why both consumers and producers perform cellular respiration.

Accepted Answer

A) Although they may obtain their sugars in different ways,both consumers and producers rely on cellular respiration to make ATP. 
B) Both consumers and producers perform cellular respiration to produce the sugars that will be "burned" to fuel the energy of life. 
C) Both consumers and producers perform cellular respiration to produce the oxygen necessary to sustain life. 
D) Both consumers and producers perform cellular respiration to produce the heat necessary to sustain life. 
A) Although they may obtain their sugars in different ways,both consumers and producers rely on cellular respiration to make ATP. 
B) Both consumers and producers perform cellular respiration to produce the sugars that will be "burned" to fuel the energy of life. 
C) Both consumers and producers perform cellular respiration to produce the oxygen necessary to sustain life. 
D) Both consumers and producers perform cellular respiration to produce the heat necessary to sustain life.

Question 18

What is the chemical equation for glucose?

Accepted Answer

A) C₂H₄O₂ 
B) C₄ H₈O₄ 
C) C₆H₁₂O₆ 
D) C₈H₁₆O₈ 
A) C₂H₄O₂ 
B) C₄ H₈O₄ 
C) C₆H₁₂O₆ 
D) C₈H₁₆O₈

Question 19

In a recent newspaper article promoting the eating of seaweed and seaweed products,the argument was made that doing so was a more efficient use of energy than eating animals.Why would eating seaweed be more energy efficient than eating an animal?

Accepted Answer

A) The energy found in animal matter represents a fraction of the energy found in the plant matter eaten by the animal.It would be better to just eat the plant and skip a step. 
B) The conversion of plant matter to animal matter produces less waste than converting animal material to animal material. 
C) Plant matter contains more energy per unit volume than does animal matter. 
D) Plant matter contains more energy per unit weight than does animal matter. 
A) The energy found in animal matter represents a fraction of the energy found in the plant matter eaten by the animal.It would be better to just eat the plant and skip a step. 
B) The conversion of plant matter to animal matter produces less waste than converting animal material to animal material. 
C) Plant matter contains more energy per unit volume than does animal matter. 
D) Plant matter contains more energy per unit weight than does animal matter.

Question 20

Why do some leaves change color (red,yellow,orange,etc.)in the fall?

Accepted Answer

A) The chlorophyll molecule is modified to absorb different wavelengths of light. 
B) The chlorophyll molecule breaks down and other pigments now become visible. 
C) Because the leaves are dead. 
D) Cold weather denatures the chlorophyll molecule and it begins to reflect different colors. 
A) The chlorophyll molecule is modified to absorb different wavelengths of light. 
B) The chlorophyll molecule breaks down and other pigments now become visible. 
C) Because the leaves are dead. 
D) Cold weather denatures the chlorophyll molecule and it begins to reflect different colors.

During which stage of cellular respiration is the majority of the ATP produced?

The label on a box of fudge-covered cookies indicates that a serving size is three cookies,and the number of calories in a serving size is 170.Calculate the approximate number of Calories in a single cookie.

Which arrow would be most closely related to kinetic energy?

In evaluating the data,why do you think the oxygen levels rise and fall over a 24-hour period?

Why do you need oxygen? (What role does O₂ play in aerobic respiration?)

Which arrow would be most closely related to the least organized form of energy?

Where do the ground state electrons come from that are excited by the energy in sunlight?

What is the role of light in photosynthesis?

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

What is the role of chloroplasts in animals?

What does it mean to "fix" carbon and during which stage of photosynthesis is carbon fixed?

Why can't an aerobic bacterium produce as much energy from a gram of sugar as an animal cell?

Organize the following steps of the light reaction in order.

Alcohol is a waste product produced by yeast in the presence of sugar and the absence of ________.

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Which of the following is a waste product of photosynthesis?

Choose the best explanation as to why both consumers and producers perform cellular respiration.

What is the chemical equation for glucose?

In a recent newspaper article promoting the eating of seaweed and seaweed products,the argument was made that doing so was a more efficient use of energy than eating animals.Why would eating seaweed be more energy efficient than eating an animal?

Why do some leaves change color (red,yellow,orange,etc.)in the fall?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 4: Energy and Life

During which stage of cellular respiration is the majority of the ATP produced?

The label on a box of fudge-covered cookies indicates that a serving size is three cookies,and the number of calories in a serving size is 170.Calculate the approximate number of Calories in a single cookie.

Which arrow would be most closely related to kinetic energy?

In evaluating the data,why do you think the oxygen levels rise and fall over a 24-hour period?

Why do you need oxygen? (What role does O₂ play in aerobic respiration?)

Which arrow would be most closely related to the least organized form of energy?

Where do the ground state electrons come from that are excited by the energy in sunlight?

What is the role of light in photosynthesis?

Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?

What is the role of chloroplasts in animals?

What does it mean to "fix" carbon and during which stage of photosynthesis is carbon fixed?

Why can't an aerobic bacterium produce as much energy from a gram of sugar as an animal cell?

Organize the following steps of the light reaction in order.

Alcohol is a waste product produced by yeast in the presence of sugar and the absence of ________.

Plastids are storage organelles.A chloroplast is a type of plastid.What does a chloroplast store?

Which of the following is a waste product of photosynthesis?

Choose the best explanation as to why both consumers and producers perform cellular respiration.

What is the chemical equation for glucose?

In a recent newspaper article promoting the eating of seaweed and seaweed products,the argument was made that doing so was a more efficient use of energy than eating animals.Why would eating seaweed be more energy efficient than eating an animal?

Why do some leaves change color (red,yellow,orange,etc.)in the fall?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters