Question 1

Visible light with longest wavelength and lowest-energy photons;one of the regions where chlorophylls absorb.

Accepted Answer

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

Question 2

High energy component of the electromagnetic spectrum;associated with sunburn.

Accepted Answer

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

Question 3

How many revolutions of the Calvin cycle are required to produce the sugar glucose?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 4

Flattened sacs of internal membranes associated with photosynthesis are called

Accepted Answer

A) chloroplasts. 
B) photosystems. 
C) the stroma. 
D) thylakoids. 
E) cristaE. 
A) chloroplasts. 
B) photosystems. 
C) the stroma. 
D) thylakoids. 
E) cristaE.

Question 5

Which of the following statements best describes the relative concentrations of G3P and RuBP in a chloroplast as a result of a transition from daytime (light)to nighttime (dark)?

Accepted Answer

A) The concentrations of G3P and RuBP would remain the same. 
B) The concentrations of G3P and RuBP would both decrease. 
C) G3P would increase and RuBP would decrease. 
D) G3P would decrease and RuBP would increase. 
A) The concentrations of G3P and RuBP would remain the same. 
B) The concentrations of G3P and RuBP would both decrease. 
C) G3P would increase and RuBP would decrease. 
D) G3P would decrease and RuBP would increase.

Question 6

Photosystem II absorbs protons that are slightly more energetic than photosystem I,but similarly pass this energy to a pigment called

Accepted Answer

A) P680. 
B) P700. 
C) chlorophyll I. 
D) chlorophyll II. 
E) retinal. 
A) P680. 
B) P700. 
C) chlorophyll I. 
D) chlorophyll II. 
E) retinal.

Question 7

One of the disadvantages of the C4 pathway is that it requires

Accepted Answer

A) more O2. 
B) more NADPH. 
C) more light. 
D) more ATP. 
E) a much higher temperaturE. 
A) more O2. 
B) more NADPH. 
C) more light. 
D) more ATP. 
E) a much higher temperaturE.

Question 8

Which of the following experimental modifications would help to determine the sequence of reactions and the reaction intermediates in the Calvin cycle?

Accepted Answer

A) exposing the cells to 14CO2 for various time intervals 
B) exposing the cells to alternating periods of light and darkness 
C) exposing the cells to radiolabeled O2 instead of 14CO2 
D) varying other rate limiting steps of photosynthesis such as water and light 
A) exposing the cells to 14CO2 for various time intervals 
B) exposing the cells to alternating periods of light and darkness 
C) exposing the cells to radiolabeled O2 instead of 14CO2 
D) varying other rate limiting steps of photosynthesis such as water and light

Question 9

The Calvin cycle is driven by ATP and _____ produced in the light reactions.

Accepted Answer

A) NAD+ 
B) NADH 
C) NADP+ 
D) NADPH 
A) NAD+ 
B) NADH 
C) NADP+ 
D) NADPH

Question 10

Chlorophyll b absorbs in green wavelengths of light that chlorophyll a cannot absorb.In this respect,chlorophyll b acts as

Accepted Answer

A) an accessory pigment. 
B) an energizer for photosynthetic bacteria. 
C) a light absorber in the green light. 
D) a more efficient pigment. 
A) an accessory pigment. 
B) an energizer for photosynthetic bacteria. 
C) a light absorber in the green light. 
D) a more efficient pigment.

Question 11

The wavelengths absorbed by a particular pigment depend on the available ______ levels to which the light-excited electrons can be absorbed.

Accepted Answer

A) radiation 
B) electron 
C) energy 
D) photosynthetic 
A) radiation 
B) electron 
C) energy 
D) photosynthetic

Question 12

Molecules that absorb light are called

Accepted Answer

A) enzymes. 
B) electron carriers. 
C) pigments. 
D) photosynthesizers. 
E) absorbers. 
A) enzymes. 
B) electron carriers. 
C) pigments. 
D) photosynthesizers. 
E) absorbers.

Question 13

In dark reactions,when CO2 is added to a molecule of RUBP the product is

Accepted Answer

A) citric acid. 
B) glucose. 
C) glyceraldehyde-3-phosphate. 
D) phosphoglycerate. 
E) pyruvatE. 
A) citric acid. 
B) glucose. 
C) glyceraldehyde-3-phosphate. 
D) phosphoglycerate. 
E) pyruvatE.

Question 14

Your class project involves a presentation of the photoelectric effect.Which of the following materials would be the most helpful for a clear demonstration?

Accepted Answer

A) glow in the dark stickers and a UV light 
B) glow in the dark stickers and an infrared light 
C) a prism and a visible light source 
D) a prism and a UV light source 
A) glow in the dark stickers and a UV light 
B) glow in the dark stickers and an infrared light 
C) a prism and a visible light source 
D) a prism and a UV light source

Question 15

The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast?

Accepted Answer

A) matrix 
B) stroma 
C) envelope 
D) outer membrane 
E) internal thylakoid space 
A) matrix 
B) stroma 
C) envelope 
D) outer membrane 
E) internal thylakoid space

Question 16

In the dark reactions of photosynthesis,CO2 is added to a five-carbon sugar-phosphate known as

Accepted Answer

A) cyclic AMP. 
B) NADH. 
C) NAD+. 
D) RuBP. 
E) CAM. 
A) cyclic AMP. 
B) NADH. 
C) NAD+. 
D) RuBP. 
E) CAM.

Question 17

Clusters of chlorophyll and accessory pigments are called _________.

Accepted Answer

A) the Golgi apparatus 
B) chloroplasts 
C) photosystems 
D) photosynthetic membranes 
A) the Golgi apparatus 
B) chloroplasts 
C) photosystems 
D) photosynthetic membranes

Question 18

Which of the following is not part of the light-dependent reactions?

Accepted Answer

A) primary photoevent 
B) charge separation 
C) Calvin cycle 
D) electron transport 
E) chemiosmosis 
A) primary photoevent 
B) charge separation 
C) Calvin cycle 
D) electron transport 
E) chemiosmosis

Question 19

If chlorophyll a is blocked from absorbing,what will happen to chlorophyll b since it is an accessory pigment?

Accepted Answer

A) Chlorophyll b will become denatured and will not function as a light-absorbing pigment. 
B) Chlorophyll b will still absorb near the green wavelengths of light,but photosynthesis will be greatly reduced. 
C) Chlorophyll b will become saturated with light and will continue photosynthesis even in the absence of chlorophyll a. 
D) Chlorophyll b will also be blocked and thus photosynthesis will be stoppeD. 
A) Chlorophyll b will become denatured and will not function as a light-absorbing pigment. 
B) Chlorophyll b will still absorb near the green wavelengths of light,but photosynthesis will be greatly reduced. 
C) Chlorophyll b will become saturated with light and will continue photosynthesis even in the absence of chlorophyll a. 
D) Chlorophyll b will also be blocked and thus photosynthesis will be stoppeD.

Question 20

Which of the following would not be considered to be a function of the antennae complex in photosynthesis?

Accepted Answer

A) enables a wide use of the visible light spectrum 
B) enables an efficient light reaction 
C) provides adaptability to varying light conditions 
D) acts as reaction center 
A) enables a wide use of the visible light spectrum 
B) enables an efficient light reaction 
C) provides adaptability to varying light conditions 
D) acts as reaction center

Exam 8: Photosynthesis

Visible light with longest wavelength and lowest-energy photons;one of the regions where chlorophylls absorb.

High energy component of the electromagnetic spectrum;associated with sunburn.

How many revolutions of the Calvin cycle are required to produce the sugar glucose?

Flattened sacs of internal membranes associated with photosynthesis are called

Which of the following statements best describes the relative concentrations of G3P and RuBP in a chloroplast as a result of a transition from daytime (light)to nighttime (dark)?

Photosystem II absorbs protons that are slightly more energetic than photosystem I,but similarly pass this energy to a pigment called

One of the disadvantages of the C4 pathway is that it requires

Which of the following experimental modifications would help to determine the sequence of reactions and the reaction intermediates in the Calvin cycle?

The Calvin cycle is driven by ATP and _____ produced in the light reactions.

Chlorophyll b absorbs in green wavelengths of light that chlorophyll a cannot absorb.In this respect,chlorophyll b acts as

The wavelengths absorbed by a particular pigment depend on the available ______ levels to which the light-excited electrons can be absorbed.

Molecules that absorb light are called

In dark reactions,when CO2 is added to a molecule of RUBP the product is

Your class project involves a presentation of the photoelectric effect.Which of the following materials would be the most helpful for a clear demonstration?

The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast?

In the dark reactions of photosynthesis,CO2 is added to a five-carbon sugar-phosphate known as

Clusters of chlorophyll and accessory pigments are called _________.

Which of the following is not part of the light-dependent reactions?

If chlorophyll a is blocked from absorbing,what will happen to chlorophyll b since it is an accessory pigment?

Which of the following would not be considered to be a function of the antennae complex in photosynthesis?

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology

One of the disadvantages of the C₄ pathway is that it requires

In dark reactions,when CO₂ is added to a molecule of RUBP the product is

In the dark reactions of photosynthesis,CO₂ is added to a five-carbon sugar-phosphate known as