Question 1

Use the figure below to match the pigments with their absorption spectra.​
Figure 6.5C
  
-phycocyanobilin

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 D

Question 2

Use the figure below to match the pigments with their absorption spectra.​
Figure 6.5C
  
-phycoerythrobilin

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 C

Question 3

____ are accessory pigments in photosynthesis that reflect blue and red wavelengths best.

Accepted Answer

A)  ​Carotenoids 
B)  ​Phycobilins 
C)  ​Anthocyanins 
D)  ​Chlorophyll b 
E)  Chlorophyll a​ 
A)  ​Carotenoids 
B)  ​Phycobilins 
C)  ​Anthocyanins 
D)  ​Chlorophyll b 
E)  Chlorophyll a​ C

Question 4

The ____ a photon's wavelength, the ____ its energy.

Accepted Answer

A)  ​shorter; greater 
B)  ​longer; greater 
C)  ​shorter; less 
D)  ​longer; more variable 
E)  shorter; more variable​ 
A)  ​shorter; greater 
B)  ​longer; greater 
C)  ​shorter; less 
D)  ​longer; more variable 
E)  shorter; more variable​

Question 5

The processes listed below represent major chemical pathways in photosynthesis. Respond to the following statement 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 6

Both C₄ and CAM plants have modified carbon fixation. How do they each perform carbon fixation and what is the benefit of each of these types of carbon fixation?​

Accepted Answer

C₄ plants have spatially separated carbo

Question 7

The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statement.​
-This results when chlorophyll gains electrons from water molecules.

Accepted Answer

A) ​reduction of NADP+ 
B) ​phosphorylation of ADP 
C) ​photolysis of water 
D) ​oxidation of chlorophyll 
E) ​reduction of chlorophyll 
A) ​reduction of NADP+ 
B) ​phosphorylation of ADP 
C) ​photolysis of water 
D) ​oxidation of chlorophyll 
E) ​reduction of chlorophyll

Question 8

Sugars are formed in the chloroplasts ____.

Accepted Answer

A)  ​on the outer membrane 
B)  ​on the inner membrane 
C)  ​in the thylakoid compartment 
D)  ​in the stroma 
E)  within the thylakoid membrane​ 
A)  ​on the outer membrane 
B)  ​on the inner membrane 
C)  ​in the thylakoid compartment 
D)  ​in the stroma 
E)  within the thylakoid membrane​

Question 9

The electrons for photosynthesis come from ____.

Accepted Answer

A)  ​ATP 
B)  ​glucose 
C)  ​NADP+ 
D)  ​chlorophyll a 
E)  H₂O​ 
A)  ​ATP 
B)  ​glucose 
C)  ​NADP+ 
D)  ​chlorophyll a 
E)  H₂O​

Question 10

What is present in both the light-dependent and light-independent reactions?​

Accepted Answer

A)  ​ATP 
B)  oxygen​ 
C)  ​glucose 
D)  ​rubisco 
E)  water​ 
A)  ​ATP 
B)  oxygen​ 
C)  ​glucose 
D)  ​rubisco 
E)  water​

Question 11

Choose the one most appropriate description.
-the PGA to PGAL conversion

Accepted Answer

A) incorporation of CO2 into an organic molecule 
B) uses ATP and NADPH 
C) uses two PGAL 
D) produces ATP and NADPH 
E) uses an electron transfer chain to produce ATP, but does not produce NADPH or O2 
A) incorporation of CO2 into an organic molecule 
B) uses ATP and NADPH 
C) uses two PGAL 
D) produces ATP and NADPH 
E) uses an electron transfer chain to produce ATP, but does not produce NADPH or O2

Question 12

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 13

During the light dependent reactions, NADPH ____.

Accepted Answer

A)  ​is an enzyme 
B)  ​is the oxidized form of NADP+ 
C)  accepts hydrogen and electrons from water​ 
D)  ​accepts hydrogen and electrons from carbohydrates 
E)  obtains energy from ATP​ 
A)  ​is an enzyme 
B)  ​is the oxidized form of NADP+ 
C)  accepts hydrogen and electrons from water​ 
D)  ​accepts hydrogen and electrons from carbohydrates 
E)  obtains energy from ATP​

Question 14

The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statement.​
-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) ​oxidation of chlorophyll 
E) ​reduction of chlorophyll 
A) ​reduction of NADP+ 
B) ​phosphorylation of ADP 
C) ​photolysis of water 
D) ​oxidation 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

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 17

In plant cells, chloroplasts are found ____.

Accepted Answer

A)  ​on the cell membrane 
B)  ​in the cytoplasm of the cell 
C)  ​in the stroma 
D)  ​in the thylakoids 
E)  in the central vacuole​ 
A)  ​on the cell membrane 
B)  ​in the cytoplasm of the cell 
C)  ​in the stroma 
D)  ​in the thylakoids 
E)  in the central vacuole​

Question 18

What statement below characterizes pigments' function?​

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 absorb ultraviolet wavelengths.​ 
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 absorb ultraviolet wavelengths.​

Question 19

Figure 6.5B
   
Following ​Questions refer to the figure above illustrating the results from Engelmann's investigation.
-Englemann'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)  if photosynthesis is impacted by the color of light​ 
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)  if photosynthesis is impacted by the color of light​

Question 20

Plants are considered to be ____.

Accepted Answer

A)  ​heterotrophs 
B)  ​chemotrophs 
C)  ​carbotrophs 
D)  ​autotrophs 
E)  thermotrophs​ 
A)  ​heterotrophs 
B)  ​chemotrophs 
C)  ​carbotrophs 
D)  ​autotrophs 
E)  thermotrophs​

Exam 6: Where It Starts - Photosynthesis

Use the figure below to match the pigments with their absorption spectra.​ Figure 6.5C -phycocyanobilin

Use the figure below to match the pigments with their absorption spectra.​ Figure 6.5C -phycoerythrobilin

____ are accessory pigments in photosynthesis that reflect blue and red wavelengths best.

The ____ a photon's wavelength, the ____ its energy.

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

Both C₄ and CAM plants have modified carbon fixation. How do they each perform carbon fixation and what is the benefit of each of these types of carbon fixation?​

The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statement.​ -This results when chlorophyll gains electrons from water molecules.

Sugars are formed in the chloroplasts ____.

The electrons for photosynthesis come from ____.

What is present in both the light-dependent and light-independent reactions?​

Choose the one most appropriate description. -the PGA to PGAL conversion

Chlorophyll does not absorb ____ wavelengths of light.

During the light dependent reactions, NADPH ____.

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

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

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

In plant cells, chloroplasts are found ____.

What statement below characterizes pigments' function?​

Figure 6.5B Following ​Questions refer to the figure above illustrating the results from Engelmann's investigation. -Englemann's experiment was designed to determine ____.

Plants are considered to be ____.

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

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

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

Filters

Use the figure below to match the pigments with their absorption spectra. Figure 6.5C -phycocyanobilin

Use the figure below to match the pigments with their absorption spectra. Figure 6.5C -phycoerythrobilin

The a photon's wavelength, the its energy.

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

Both C₄ and CAM plants have modified carbon fixation. How do they each perform carbon fixation and what is the benefit of each of these types of carbon fixation?

The five reactions listed below occur during the noncyclic pathway of ATP formation. Use them to respond to the following statement. -This results when chlorophyll gains electrons from water molecules.

What is present in both the light-dependent and light-independent reactions?

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

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

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

What statement below characterizes pigments' function?

Figure 6.5B Following Questions refer to the figure above illustrating the results from Engelmann's investigation. -Englemann's experiment was designed to determine ____.