Question 1

The light-dependent reactions do not produce ____.

Accepted Answer

A)  glucose 
B)  oxygen 
C)  ATP 
D)  NADPH 
E)  H+ 
A)  glucose 
B)  oxygen 
C)  ATP 
D)  NADPH 
E)  H+

Question 2

Matching. Match the pigment with its relationship to sunlight.
-____ causes some fruits and vegetables to appear orange or yellow.

Accepted Answer

A) Chlorophyll b 
B) Chlorophyll a 
C) Phycoerythrobilin 
D) Phycocyanobilin 
E) Beta-carotene 
A) Chlorophyll b 
B) Chlorophyll a 
C) Phycoerythrobilin 
D) Phycocyanobilin 
E) Beta-carotene

Question 3

What product of the light-dependent reactions is released directly into the environment?

Accepted Answer

A)  O2 
B)  CO2 
C)  NADPH 
D)  ATP 
E)  Hydrogen ions 
A)  O2 
B)  CO2 
C)  NADPH 
D)  ATP 
E)  Hydrogen ions

Question 4

Classification. The processes listed below represent major chemical pathways in photosynthesis. Respond to the following statements with reference to these five processes.
-PGAL molecules are formed from the reaction of PGA molecules with ATP and NADPH in this pathway.

Accepted Answer

A) Light-dependent reactions 
B) CAM pathway 
C) Carbon fixation 
D) Calvin-Benson cycle 
E) C4 pathway 
A) Light-dependent reactions 
B) CAM pathway 
C) Carbon fixation 
D) Calvin-Benson cycle 
E) C4 pathway

Question 5

The light-independent reactions of photosynthesis ____.

Accepted Answer

A)  fix carbon dioxide 
B)  release oxygen 
C)  cannot occur in light 
D)  generate ATP 
E)  use ADP 
A)  fix carbon dioxide 
B)  release oxygen 
C)  cannot occur in light 
D)  generate ATP 
E)  use ADP

Question 6

Classification. The processes listed below represent major chemical pathways in photosynthesis. Respond to the following statements with reference to these five processes.
-In this process,carbon dioxide is incorporated first into an unstable intermediate compound and then into phosphoglycerate.

Accepted Answer

A) Light-dependent reactions 
B) CAM pathway 
C) Carbon fixation 
D) Calvin-Benson cycle 
E) C4 pathway 
A) Light-dependent reactions 
B) CAM pathway 
C) Carbon fixation 
D) Calvin-Benson cycle 
E) C4 pathway

Question 7

Chlorophyll does not absorb ____ wavelengths of light.

Accepted Answer

A)  red 
B)  yellow 
C)  orange 
D)  green 
E)  blue 
A)  red 
B)  yellow 
C)  orange 
D)  green 
E)  blue

Question 8

Use the figure below to match the pigments' description with their absorption spectra.
Figure 6.5C

-Closely related to chlorophyll a

Accepted Answer

A) Peak A 
B) Peak B 
C) Peak C 
D) Peak D 
E) Peak E 
A) Peak A 
B) Peak B 
C) Peak C 
D) Peak D 
E) Peak E

Question 9

The oxygen released in photosynthesis comes from ____.

Accepted Answer

A)  carbon dioxide 
B)  glucose 
C)  ribulose bisphosphate 
D)  water 
E)  atmospheric oxygen 
A)  carbon dioxide 
B)  glucose 
C)  ribulose bisphosphate 
D)  water 
E)  atmospheric oxygen

Question 10

Matching. Match the pigment with its relationship to sunlight.
-____ is the primary pigment in photosynthetic plants.

Accepted Answer

A) Chlorophyll b 
B) Chlorophyll a 
C) Phycoerythrobilin 
D) Phycocyanobilin 
E) Beta-carotene 
A) Chlorophyll b 
B) Chlorophyll a 
C) Phycoerythrobilin 
D) Phycocyanobilin 
E) Beta-carotene

Question 11

Actual assembly of sugars during photosynthesis ____.

Accepted Answer

A)  occurs during light-dependent reactions 
B)  takes place in the mitochondria 
C)  requires NADPH 
D)  yields ATP 
E)  requires oxygen 
A)  occurs during light-dependent reactions 
B)  takes place in the mitochondria 
C)  requires NADPH 
D)  yields ATP 
E)  requires oxygen

Question 12

The proteins associated with the light-dependent reactions of photosynthesis are located ____.

Accepted Answer

A)  on the outer membranes of the chloroplast 
B)  in the stroma 
C)  on the thylakoid membrane 
D)  throughout the cytoplasm of plant cells 
E)  in the thylakoid compartment 
A)  on the outer membranes of the chloroplast 
B)  in the stroma 
C)  on the thylakoid membrane 
D)  throughout the cytoplasm of plant cells 
E)  in the thylakoid compartment

Question 13

The process in which carbon from an inorganic source,such as carbon dioxide,gets incorporated into an organic molecule is called ____________.

Accepted Answer

A)  carbon fixation 
B)  the Calvin-Benson cycle 
C)  light-dependent reaction 
D)  metabolic regeneration 
E)  phosphate-group transfer 
A)  carbon fixation 
B)  the Calvin-Benson cycle 
C)  light-dependent reaction 
D)  metabolic regeneration 
E)  phosphate-group transfer

Question 14

Classification. The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statements.
-The final step that occurs during noncyclic ATP formation.

Accepted Answer

A) Reduction of NADP+ 
B) Phosphorylation of ADP 
C) Photolysis of water 
D) Excitation of chlorophyll 
E) Reduction of chlorophyll 
A) Reduction of NADP+ 
B) Phosphorylation of ADP 
C) Photolysis of water 
D) Excitation of chlorophyll 
E) Reduction of chlorophyll

Question 15

A high concentration of H+ in the thylakoid compartment provides potential energy for the ____ by ____.

Accepted Answer

A)  breakdown of water; oxidation 
B)  production of ATP; ATP synthases 
C)  reduction of NADP+; an electron transfer chain 
D)  production of sugars; the light-independent reactions 
E)  production of O2; photolysis 
A)  breakdown of water; oxidation 
B)  production of ATP; ATP synthases 
C)  reduction of NADP+; an electron transfer chain 
D)  production of sugars; the light-independent reactions 
E)  production of O2; photolysis

Question 16

Use the figure below to match the pigments' description with their absorption spectra.
Figure 6.5C

-Allows algae in deep sea waters to survive by absorbing green and blue-green light

Accepted Answer

A) Peak A 
B) Peak B 
C) Peak C 
D) Peak D 
E) Peak E 
A) Peak A 
B) Peak B 
C) Peak C 
D) Peak D 
E) Peak E

Question 17

What is a required input for the light-independent reactions?

Accepted Answer

A)  NADPH 
B)  Phosphoglyceric acid (PG
A)  
C)  Phosphoglyceraldehyde (PGAL) 
D)  Glucose 
E)  Ribulose bisphosphate 
A)  NADPH 
B)  Phosphoglyceric acid (PG
A)  
C)  Phosphoglyceraldehyde (PGAL) 
D)  Glucose 
E)  Ribulose bisphosphate

Question 18

Figure 6.5B

- Refer to the figure above illustrating the results from Engelmann's investigation.The best light to grow the alga in is ____,according to the figure.

Accepted Answer

A)  blue-violet 
B)  blue-green 
C)  green-yellow 
D)  yellow-orange 
E)  orange-red 
A)  blue-violet 
B)  blue-green 
C)  green-yellow 
D)  yellow-orange 
E)  orange-red

Question 19

When an electron in a pigment molecule is absorbed by a photon,it ____.

Accepted Answer

A)  is always shared with another atom via a double bond 
B)  is always shared with another atom via a single bond 
C)  emits its extra energy and returns to its original energy level 
D)  moves to a higher energy level and remains there 
E)  moves to a lower energy level and remains there 
A)  is always shared with another atom via a double bond 
B)  is always shared with another atom via a single bond 
C)  emits its extra energy and returns to its original energy level 
D)  moves to a higher energy level and remains there 
E)  moves to a lower energy level and remains there

Question 20

Classification. The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statements.
-This process releases electrons to replace those lost from chlorophyll in noncyclic ATP formation.

Accepted Answer

A) Reduction of NADP+ 
B) Phosphorylation of ADP 
C) Photolysis of water 
D) Excitation of chlorophyll 
E) Reduction of chlorophyll 
A) Reduction of NADP+ 
B) Phosphorylation of ADP 
C) Photolysis of water 
D) Excitation of chlorophyll 
E) Reduction of chlorophyll

Exam 6: Where it Starts—Photosynthesis

The light-dependent reactions do not produce ____.

Matching. Match the pigment with its relationship to sunlight. -____ causes some fruits and vegetables to appear orange or yellow.

What product of the light-dependent reactions is released directly into the environment?

Classification. The processes listed below represent major chemical pathways in photosynthesis. Respond to the following statements with reference to these five processes. -PGAL molecules are formed from the reaction of PGA molecules with ATP and NADPH in this pathway.

The light-independent reactions of photosynthesis ____.

Classification. The processes listed below represent major chemical pathways in photosynthesis. Respond to the following statements with reference to these five processes. -In this process,carbon dioxide is incorporated first into an unstable intermediate compound and then into phosphoglycerate.

Chlorophyll does not absorb ____ wavelengths of light.

Use the figure below to match the pigments' description with their absorption spectra. Figure 6.5C -Closely related to chlorophyll a

The oxygen released in photosynthesis comes from ____.

Matching. Match the pigment with its relationship to sunlight. -____ is the primary pigment in photosynthetic plants.

Actual assembly of sugars during photosynthesis ____.

The proteins associated with the light-dependent reactions of photosynthesis are located ____.

The process in which carbon from an inorganic source,such as carbon dioxide,gets incorporated into an organic molecule is called ____________.

Classification. The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statements. -The final step that occurs during noncyclic ATP formation.

A high concentration of H+ in the thylakoid compartment provides potential energy for the ____ by ____.

Use the figure below to match the pigments' description with their absorption spectra. Figure 6.5C -Allows algae in deep sea waters to survive by absorbing green and blue-green light

What is a required input for the light-independent reactions?

Figure 6.5B - Refer to the figure above illustrating the results from Engelmann's investigation.The best light to grow the alga in is ____,according to the figure.

When an electron in a pigment molecule is absorbed by a photon,it ____.

Classification. The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statements. -This process releases electrons to replace those lost from chlorophyll in noncyclic ATP formation.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

A high concentration of H⁺ in the thylakoid compartment provides potential energy for the by .