Question 1

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 synthesis 
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 synthesis 
C)  reduction of NADP+; an electron transfer chain 
D)  production of sugars; the light-independent reactions 
E)  production of O2; photolysis

Question 2

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
-This leads to the formation of a glucose-6-phosphate from two molecules of phosphoglyceraldehyde.

Accepted Answer

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

Question 3

MATCHING
Matching.Choose the one most appropriate description.
a.uses ribulose bisphosphate; produces PGA
b.uses ATP and NADPH
c.uses two PGAL
d.produces ATP and NADPH
e.uses an electron transfer chain to produce ATP
-carbon dioxide fixation

Accepted Answer

The answer of MATCHING
Matching.Choose the one most appropriate description.
a.uses ribulose...

Question 4

MATCHING
Matching.Choose the one most appropriate description.
a.uses ribulose bisphosphate; produces PGA
b.uses ATP and NADPH
c.uses two PGAL
d.produces ATP and NADPH
e.uses an electron transfer chain to produce ATP
-the formation of glucose

Accepted Answer

The answer of MATCHING
Matching.Choose the one most appropriate description.
a.uses ribulose...

Question 5

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
-This process releases electrons to fill "holes" in chlorophyll in noncyclic ATP formation.

Accepted Answer

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

Question 6

Which of the following statements is NOT TRUE concerning photosynthetic plants?

Accepted Answer

A)  They get carbon from the environment. 
B)  They obtain energy from the environment. 
C)  They make their own food. 
D)  They provide food for others. 
E)  They do not need gases to make food. 
A)  They get carbon from the environment. 
B)  They obtain energy from the environment. 
C)  They make their own food. 
D)  They provide food for others. 
E)  They do not need gases to make food.

Question 7

The first stable compound produced from CO2 in the light-independent reaction is

Accepted Answer

A)  phosphoglycerate (PG
A) . 
B)  ribulose bisphosphate (RuBP). 
C)  phosphoglyceraldehyde (PGAL). 
D)  O2. 
E)  NADP+. 
A)  phosphoglycerate (PG
A) . 
B)  ribulose bisphosphate (RuBP). 
C)  phosphoglyceraldehyde (PGAL). 
D)  O2. 
E)  NADP+.

Question 8

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
-The final step that occurs during noncyclic ATP formation is this.

Accepted Answer

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

Question 9

Which of the following is NOT TRUE of photolysis?

Accepted Answer

A)  It is a function of the cyclic pathway. 
B)  It involves photosystem II. 
C)  It occurs in the light-dependent reactions. 
D)  It is the source of oxygen in photosynthesis. 
E)  It directly replaces electrons lost by p680. 
A)  It is a function of the cyclic pathway. 
B)  It involves photosystem II. 
C)  It occurs in the light-dependent reactions. 
D)  It is the source of oxygen in photosynthesis. 
E)  It directly replaces electrons lost by p680.

Question 10

Plants are considered to be:

Accepted Answer

A)  heterotrophs. 
B)  chemotrophs. 
C)  carbotrophs. 
D)  autotrophs. 
E)  a combination of all of these. 
A)  heterotrophs. 
B)  chemotrophs. 
C)  carbotrophs. 
D)  autotrophs. 
E)  a combination of all of these.

Question 11

Actual assembly of sugars during photosynthesis

Accepted Answer

A)  occurs during light-independent reactions. 
B)  takes place in the stroma. 
C)  requires NADPH. 
D)  requires ATP. 
E)  does all of these. 
A)  occurs during light-independent reactions. 
B)  takes place in the stroma. 
C)  requires NADPH. 
D)  requires ATP. 
E)  does all of these.

Question 12

Chlorophyll does not absorb which color 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 13

Which of the following is formed last in the transfer of solar energy?

Accepted Answer

A)  H+ 
B)  excited electrons 
C)  ATP 
D)  O2 
E)  NADPH 
A)  H+ 
B)  excited electrons 
C)  ATP 
D)  O2 
E)  NADPH

Question 14

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
-Consider the Calvin-Benson cycle and the noncyclic photosynthetic pathway.Why is the cyclic pathway so important?

Accepted Answer

The Calvin-Benson cycle uses 18 ATP and

Question 15

Which of the following is not a product of the light-independent reactions?

Accepted Answer

A)  ADP. 
B)  NADP+. 
C)  oxygen. 
D)  glucose. 
E)  all these are products. 
A)  ADP. 
B)  NADP+. 
C)  oxygen. 
D)  glucose. 
E)  all these are products.

Question 16

Which of the following statements is TRUE about NADPH?

Accepted Answer

A)  It is an enzyme. 
B)  It is the oxidized form of NADP+. 
C)  It is generated n the light-dependent reactions of photosynthesis. 
D)  It accepts hydrogen and electrons from carbohydrates. 
E)  It obtains energy from ATP. 
A)  It is an enzyme. 
B)  It is the oxidized form of NADP+. 
C)  It is generated n the light-dependent reactions of photosynthesis. 
D)  It accepts hydrogen and electrons from carbohydrates. 
E)  It obtains energy from ATP.

Question 17

Ethanol can be easily produced from:

Accepted Answer

A)  photosynthetic pigments. 
B)  crystalline cellulose. 
C)  root systems of plants. 
D)  plant sugars. 
E)  all of these. 
A)  photosynthetic pigments. 
B)  crystalline cellulose. 
C)  root systems of plants. 
D)  plant sugars. 
E)  all of these.

Question 18

Which of the following statements is(are) generally TRUE of pigments?

Accepted Answer

A)  They absorb some photons. 
B)  They reflect all photons. 
C)  They absorb photons of all colors. 
D)  They absorb photons of all wavelengths. 
E)  They do all of these. 
A)  They absorb some photons. 
B)  They reflect all photons. 
C)  They absorb photons of all colors. 
D)  They absorb photons of all wavelengths. 
E)  They do all of these.

Question 19

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
-PGAL molecules are formed from the reaction of PGA molecules with ATP and NADPH in this pathway.

Accepted Answer

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

Question 20

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.

Exam 6: Where It Startsphotosynthesis

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

MATCHING Matching.Choose the one most appropriate description. a.uses ribulose bisphosphate; produces PGA b.uses ATP and NADPH c.uses two PGAL d.produces ATP and NADPH e.uses an electron transfer chain to produce ATP -carbon dioxide fixation

MATCHING Matching.Choose the one most appropriate description. a.uses ribulose bisphosphate; produces PGA b.uses ATP and NADPH c.uses two PGAL d.produces ATP and NADPH e.uses an electron transfer chain to produce ATP -the formation of glucose

Which of the following statements is NOT TRUE concerning photosynthetic plants?

The first stable compound produced from CO2 in the light-independent reaction is

Which of the following is NOT TRUE of photolysis?

Plants are considered to be:

Actual assembly of sugars during photosynthesis

Chlorophyll does not absorb which color of light?

Which of the following is formed last in the transfer of solar energy?

Which of the following is not a product of the light-independent reactions?

Which of the following statements is TRUE about NADPH?

Ethanol can be easily produced from:

Which of the following statements is(are) generally TRUE of pigments?

The oxygen released in photosynthesis comes from

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

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

The first stable compound produced from CO₂ in the light-independent reaction is