Question 1

Which biological group is dependent on photosynthesis for its survival?

Accepted Answer

A)  Vertebrates 
B)  Mammals 
C)  Fishes 
D)  Plants 
E)  All of the above 
A)  Vertebrates 
B)  Mammals 
C)  Fishes 
D)  Plants 
E)  All of the above

Question 2

When bacteria are shifted from an aerobic to an anaerobic environment,they can continue to grow relatively rapidly by

Accepted Answer

A)  increasing the rate of the citric acid cycle. 
B)  producing more ATP per mole of glucose during glycolysis. 
C)  producing ATP during the oxidation of NADH. 
D)  increasing the rate of electron transport down the respiratory chain. 
E)  increasing the rate of the glycolytic reactions. 
A)  increasing the rate of the citric acid cycle. 
B)  producing more ATP per mole of glucose during glycolysis. 
C)  producing ATP during the oxidation of NADH. 
D)  increasing the rate of electron transport down the respiratory chain. 
E)  increasing the rate of the glycolytic reactions.

Question 3

When a photon interacts with molecules such as those within chloroplasts,the photons may

Accepted Answer

A)  bounce off the molecules,having no effect. 
B)  pass through the molecules,having no effect. 
C)  be absorbed by the molecules. 
D)  be scattered. 
E)  All of the above 
A)  bounce off the molecules,having no effect. 
B)  pass through the molecules,having no effect. 
C)  be absorbed by the molecules. 
D)  be scattered. 
E)  All of the above

Question 4

How do red and blue light differ from each other?

Accepted Answer

A)  They differ in intensity. 
B)  They have a different number of photons in each quantum. 
C)  Their wavelengths are different. 
D)  They differ in duration. 
E)  Red is radiant,whereas blue is electromagnetic. 
A)  They differ in intensity. 
B)  They have a different number of photons in each quantum. 
C)  Their wavelengths are different. 
D)  They differ in duration. 
E)  Red is radiant,whereas blue is electromagnetic.

Question 5

The light energy absorbed by the P680 reaction center

Accepted Answer

A)  oxidizes water. 
B)  removes a phosphate from ATP to form ADP. 
C)  fixes CO2 to form sugars. 
D)  is used to form rubisco. 
E)  is reflected and causes plants to appear green. 
A)  oxidizes water. 
B)  removes a phosphate from ATP to form ADP. 
C)  fixes CO2 to form sugars. 
D)  is used to form rubisco. 
E)  is reflected and causes plants to appear green.

Question 6

When CO2 is added to RuBP,the first stable product synthesized is

Accepted Answer

A)  pyruvate. 
B)  ribulose 1,5-bisphosphate. 
C)  3PG. 
D)  ATP. 
E)  glyceraldehyde 3-phosphate (G3P). 
A)  pyruvate. 
B)  ribulose 1,5-bisphosphate. 
C)  3PG. 
D)  ATP. 
E)  glyceraldehyde 3-phosphate (G3P).

Question 7

The energy source for the synthesis of carbohydrates in the Calvin cycle is

Accepted Answer

A)  ATP only. 
B)  photons. 
C)  energized chlorophyll a. 
D)  NADPH + H+. 
E)  NADPH and ATP. 
A)  ATP only. 
B)  photons. 
C)  energized chlorophyll a. 
D)  NADPH + H+. 
E)  NADPH and ATP.

Question 8

Which statement about metabolic pathways is false?

Accepted Answer

A)  The product of one reaction becomes the reactant for the next reaction. 
B)  They are a series of enzyme-catalyzed reactions. 
C)  Almost all are endergonic. 
D)  They are similar in all organisms. 
E)  Many are compartmentalized in eukaryotes. 
A)  The product of one reaction becomes the reactant for the next reaction. 
B)  They are a series of enzyme-catalyzed reactions. 
C)  Almost all are endergonic. 
D)  They are similar in all organisms. 
E)  Many are compartmentalized in eukaryotes.

Question 9

The first and third reactions of the glycolytic pathway result in consumption of ATP.This is an example of a(n)

Accepted Answer

A)  endergonic reaction. 
B)  allosteric reaction. 
C)  metabolic pathway. 
D)  oxidation reaction. 
E)  exergonic reaction. 
A)  endergonic reaction. 
B)  allosteric reaction. 
C)  metabolic pathway. 
D)  oxidation reaction. 
E)  exergonic reaction.

Question 10

Fermentation

Accepted Answer

A)  takes place in the mitochondrion. 
B)  takes place in all animal cells. 
C)  does not require O2. 
D)  requires lactic acid. 
E)  prevents glycolysis. 
A)  takes place in the mitochondrion. 
B)  takes place in all animal cells. 
C)  does not require O2. 
D)  requires lactic acid. 
E)  prevents glycolysis.

Exam 6: Pathways That Harvest and Store Chemical Energy

Which biological group is dependent on photosynthesis for its survival?

When bacteria are shifted from an aerobic to an anaerobic environment,they can continue to grow relatively rapidly by

When a photon interacts with molecules such as those within chloroplasts,the photons may

How do red and blue light differ from each other?

The light energy absorbed by the P680 reaction center

When CO2 is added to RuBP,the first stable product synthesized is

The energy source for the synthesis of carbohydrates in the Calvin cycle is

Which statement about metabolic pathways is false?

The first and third reactions of the glycolytic pathway result in consumption of ATP.This is an example of a(n)

Fermentation

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters

The light energy absorbed by the P₆₈₀ reaction center

When CO₂ is added to RuBP,the first stable product synthesized is