Question 1

All of the products of the light-dependent reactions of photosynthesis listed below are used in the light-independent reactions EXCEPT for

Accepted Answer

A)  O2. 
B)  electrons. 
C)  NADPH. 
D)  ATP. 
E)  hydrogen protons contributed by NADPH. 
A)  O2. 
B)  electrons. 
C)  NADPH. 
D)  ATP. 
E)  hydrogen protons contributed by NADPH.

Question 2

With regard to photosynthesis, photorespiration

Accepted Answer

A)  is more efficient in producing carbohydrates. 
B)  predominates in C3 plants in cool weather when water is plentiful. 
C)  predominates in C4 plants on hot days. 
D)  produces the same amount of PGA. 
E)  does none of these. 
A)  is more efficient in producing carbohydrates. 
B)  predominates in C3 plants in cool weather when water is plentiful. 
C)  predominates in C4 plants on hot days. 
D)  produces the same amount of PGA. 
E)  does none of these.

Question 3

Where in a plant cell are chloroplasts found?

Accepted Answer

A)  on the cell membrane 
B)  in the cytoplasm of the cell 
C)  in the stroma 
D)  in the thylakoids 
E)  none of these 
A)  on the cell membrane 
B)  in the cytoplasm of the cell 
C)  in the stroma 
D)  in the thylakoids 
E)  none of these

Question 4

The following questions refer to the figure above illustrating the results from Engelmann's investigation.
-Engelmann's experiment was designed to determine

Accepted Answer

A)  what wavelengths comprise visible light. 
B)  what colors are contained in visible light. 
C)  if bacteria are attracted to oxygen. 
D)  if photosynthesis releases oxygen. 
E)  none of these. 
A)  what wavelengths comprise visible light. 
B)  what colors are contained in visible light. 
C)  if bacteria are attracted to oxygen. 
D)  if photosynthesis releases oxygen. 
E)  none of these.

Question 5

Which of the following statements is NOT TRUE concerning an electron that has absorbed a photon?

Accepted Answer

A)  It moves to a higher energy level. 
B)  It becomes more stable. 
C)  It quickly returns to its original energy level. 
D)  It may emit energy. 
E)  It becomes excited. 
A)  It moves to a higher energy level. 
B)  It becomes more stable. 
C)  It quickly returns to its original energy level. 
D)  It may emit energy. 
E)  It becomes excited.

Question 6

The CAM pathway

Accepted Answer

A)  involves only the Calvin-Benson cycle 
B)  involves only the C4 cycle 
C)  is used by plants in humid regions 
D)  is also known as photorespiration 
E)  needs day and night for completion 
A)  involves only the Calvin-Benson cycle 
B)  involves only the C4 cycle 
C)  is used by plants in humid regions 
D)  is also known as photorespiration 
E)  needs day and night for completion

Question 7

The light-independent reactions of photosynthesis

Accepted Answer

A)  fix carbon dioxide. 
B)  release oxygen. 
C)  cannot occur in light. 
D)  generate ATP. 
E)  do all of these. 
A)  fix carbon dioxide. 
B)  release oxygen. 
C)  cannot occur in light. 
D)  generate ATP. 
E)  do all of these.

Question 8

Which of the following is TRUE concerning the C4 pathway?

Accepted Answer

A)  It produces large amounts of carbohydrates. 
B)  It feeds into the C3 pathway. 
C)  It is the mechanism of photorespiration. 
D)  It involves the activity of rubisco. 
E)  All of these are true. 
A)  It produces large amounts of carbohydrates. 
B)  It feeds into the C3 pathway. 
C)  It is the mechanism of photorespiration. 
D)  It involves the activity of rubisco. 
E)  All of these are true.

Question 9

Which of the following is not produced in the light dependent reactions?

Accepted Answer

A)  glucose. 
B)  oxygen. 
C)  ATP. 
D)  NADPH. 
E)  all of these are produced. 
A)  glucose. 
B)  oxygen. 
C)  ATP. 
D)  NADPH. 
E)  all of these are produced.

Question 10

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 11

A pigment absorbs a photon if the energy of the photon is

Accepted Answer

A)  exactly enough to boost an electron of the pigment to a higher energy level. 
B)  slightly more than the energy of the electron absorbing the photon. 
C)  significantly more than the energy of the electron absorbing the photon. 
D)  exactly twice the energy of the electron absorbing the photon. 
E)  any of these, depending on the type of pigment. 
A)  exactly enough to boost an electron of the pigment to a higher energy level. 
B)  slightly more than the energy of the electron absorbing the photon. 
C)  significantly more than the energy of the electron absorbing the photon. 
D)  exactly twice the energy of the electron absorbing the photon. 
E)  any of these, depending on the type of pigment.

Question 12

Classification.The five reactions listed below occur during the noncyclic pathway of ATP formation.Use them to respond to the following statements.
a.reduction of NADPS1U1P1+S1S1P0
b.phosphorylation of ADP
c.photolysis of water
d.oxidation of chlorophyll
e.reduction of chlorophyll
-High-energy phosphate bonds are formed during this process.

Accepted Answer

The answer of Classification.The five reactions listed below occur during...

Question 13

Which of the following statements is NOT TRUE?

Accepted Answer

A)  Photons are packages of solar energy. 
B)  Each photon consists of a fixed amount of energy. 
C)  The least energetic photons travel in longer wavelengths. 
D)  Photons with different energy levels are perceived as exhibiting different colors. 
E)  Photons of visible light have wavelengths shorter than 350 nanometers. 
A)  Photons are packages of solar energy. 
B)  Each photon consists of a fixed amount of energy. 
C)  The least energetic photons travel in longer wavelengths. 
D)  Photons with different energy levels are perceived as exhibiting different colors. 
E)  Photons of visible light have wavelengths shorter than 350 nanometers.

Question 14

Which of the following is NOT produced in the synthesis (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 15

Classification.The five reactions listed below occur during the noncyclic pathway of ATP formation.Use them to respond to the following statements.
a.reduction of NADPS1U1P1+S1S1P0
b.phosphorylation of ADP
c.photolysis of water
d.oxidation of chlorophyll
e.reduction of chlorophyll
-When light energy is absorbed by a leaf, the first result will be this.

Accepted Answer

The answer of Classification.The five reactions listed below occur during...

Question 16

Classification.The processes listed below represent major chemical pathways in photosynthesis.Respond to the following statements with reference to these five processes.
a.light-dependent reactions
b.chemosynthetic reactions
c.carbon dioxide fixation
d.Calvin-Benson cycle
e.C4 pathway
-In this process carbon dioxide is incorporated first into an unstable intermediate compound and then into phosphoglycerate.

Accepted Answer

The answer of Classification.The processes listed below represent major chemical...

Question 17

Classification.The five reactions listed below occur during the noncyclic pathway of ATP formation.Use them to respond to the following statements.
a.reduction of NADPS1U1P1+S1S1P0
b.phosphorylation of ADP
c.photolysis of water
d.oxidation of chlorophyll
e.reduction of chlorophyll
-A trip to space finds a planet rich with green light.Scientists hope to introduce photosynthetic organsims to this planet.What sort of organism should they choose?

Accepted Answer

This would be difficult, but a

Exam 6: Where It Startsphotosynthesis

All of the products of the light-dependent reactions of photosynthesis listed below are used in the light-independent reactions EXCEPT for

With regard to photosynthesis, photorespiration

Where in a plant cell are chloroplasts found?

The following questions refer to the figure above illustrating the results from Engelmann's investigation. -Engelmann's experiment was designed to determine

Which of the following statements is NOT TRUE concerning an electron that has absorbed a photon?

The CAM pathway

The light-independent reactions of photosynthesis

Which of the following is TRUE concerning the C4 pathway?

Which of the following is not produced in the light dependent reactions?

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

A pigment absorbs a photon if the energy of the photon is

Which of the following statements is NOT TRUE?

Which of the following is NOT produced in the synthesis (light-independent) reactions?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

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

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman 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 Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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