Question 1

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

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 2

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 3

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

Accepted Answer

A)  ​O₂ 
B)  ​electrons 
C)  ​NADPH 
D)  ​ATP 
E)  hydrogen ions​ 
A)  ​O₂ 
B)  ​electrons 
C)  ​NADPH 
D)  ​ATP 
E)  hydrogen ions​

Question 4

Which chemical has five carbon atoms?​

Accepted Answer

A)  ​phosphoglycerate (PG
A)  
B)  ​ribulose bisphosphate (RuBP) 
C)  ​phosphoglyceraldehyde (PGAL) 
D)  ​glucose 
E)  starch​ 
A)  ​phosphoglycerate (PG
A)  
B)  ​ribulose bisphosphate (RuBP) 
C)  ​phosphoglyceraldehyde (PGAL) 
D)  ​glucose 
E)  starch​

Question 5

Match the pigment with its relationship to sunlight.​
-responsible for red bacteria

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 6

The process of photolysis ____.

Accepted Answer

A)  ​is a function of the cyclic pathway 
B)  ​involves photosystem I 
C)  ​occurs in the light-independent reactions 
D)  ​is the source of water in photosynthesis 
E)  directly replaces electrons lost by P680​ 
A)  ​is a function of the cyclic pathway 
B)  ​involves photosystem I 
C)  ​occurs in the light-independent reactions 
D)  ​is the source of water in photosynthesis 
E)  directly replaces electrons lost by P680​

Question 7

Which statement best describes an electron transfer chain?​

Accepted Answer

A)  ​It generates energy from carbohydrates. 
B)  ​It is used by cells to dispose of excess electrons. 
C)  ​It utilizes ATP to synthesize nutrients. 
D)  ​It transfers energy, stepwise, from one compound to another. 
E)  It requires activation by oxygen.​ 
A)  ​It generates energy from carbohydrates. 
B)  ​It is used by cells to dispose of excess electrons. 
C)  ​It utilizes ATP to synthesize nutrients. 
D)  ​It transfers energy, stepwise, from one compound to another. 
E)  It requires activation by oxygen.​

Question 8

Carotenoids are accessory pigments that ____.

Accepted Answer

A)  absorb yellow and red light to assist in photosynthesis​ 
B)  ​capture energy from light and use it directly in cellular respiration 
C)  ​are masked by the presence of chlorophyll throughout the growing season 
D)  ​absorb blue and violet wavelengths and reflect green and yellow 
E)  reflect blue wavelengths​ 
A)  absorb yellow and red light to assist in photosynthesis​ 
B)  ​capture energy from light and use it directly in cellular respiration 
C)  ​are masked by the presence of chlorophyll throughout the growing season 
D)  ​absorb blue and violet wavelengths and reflect green and yellow 
E)  reflect blue wavelengths​

Question 9

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

Exam 6: Where It Starts - Photosynthesis

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

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

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

Which chemical has five carbon atoms?​

Match the pigment with its relationship to sunlight.​ -responsible for red bacteria

The process of photolysis ____.

Which statement best describes an electron transfer chain?​

Carotenoids are accessory pigments that ____.

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

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 -chlorophyll b

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

Which chemical has five carbon atoms?

Match the pigment with its relationship to sunlight. -responsible for red bacteria

Which statement best describes an electron transfer chain?

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