Question 1

Compare and contrast the role of O2 and H2O in photosynthesis and cellular respiration.

Accepted Answer

The role of oxygen gas and water are alm

Question 2

What are some of the problems that must be addressed when planting C3 plants in hot, arid climates for ornamental purposes?

Accepted Answer

C₃ plants are prone to photorespiration,

Question 3

In hot climates, photorespiration can decrease carbon fixation efficiently by how much?

Accepted Answer

A)  by over 20% 
B)  by over 30% 
C)  by over 40% 
D)  by over 50% 
A)  by over 20% 
B)  by over 30% 
C)  by over 40% 
D)  by over 50%

Question 4

Which of the following best explains why regulating opening and closing stomata is more difficult in dry and hot environments?

Accepted Answer

A)  Photorespiration becomes a bigger problem as the climate becomes colder. 
B)  Photorespiration becomes a bigger problem as the climate becomes warmer. 
C)  Photorespiration becomes a lesser problem as the climate becomes warmer. 
D)  Photorespiration becomes a lesser problem as the climate becomes colder. 
A)  Photorespiration becomes a bigger problem as the climate becomes colder. 
B)  Photorespiration becomes a bigger problem as the climate becomes warmer. 
C)  Photorespiration becomes a lesser problem as the climate becomes warmer. 
D)  Photorespiration becomes a lesser problem as the climate becomes colder.

Question 5

Suppose that you extract all of the proteins of a leaf and measure the percentage that is rubisco. What percentage of the leaf proteins will the rubisco comprise?

Accepted Answer

A)  10% 
B)  25% 
C)  50% 
D)  65% 
A)  10% 
B)  25% 
C)  50% 
D)  65%

Question 6

Suppose that photosynthetic eukaryotic cells are provided with CO2 synthesized with heavy oxygen (18O). Then suppose that the 18O label will be found in all but one compound. What is that compound?

Accepted Answer

A)  glucose 
B)  O2 gas 
C)  cellulose 
D)  3-phosphoglycerate 
A)  glucose 
B)  O2 gas 
C)  cellulose 
D)  3-phosphoglycerate

Question 7

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-place where photorespiration occurs

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 8

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-place to find rubisco

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 9

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-prevents the stroma from coming into contact with the outer membrane

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 10

The Calvin cycle consumes CO2 and produces which of the following products?

Accepted Answer

A)  ATP 
B)  G3P 
C)  NADPH 
D)  rubisco 
A)  ATP 
B)  G3P 
C)  NADPH 
D)  rubisco

Question 11

Where in a plant cell is ATP synthase found?

Accepted Answer

A)  in the thylakoid and inner mitochondrial membranes 
B)  in the thylakoid membrane and the plasma membrane 
C)  in the plasma membrane and in the inner mitochondrial membranes 
D)  in the inner mitochondrial membranes only 
A)  in the thylakoid and inner mitochondrial membranes 
B)  in the thylakoid membrane and the plasma membrane 
C)  in the plasma membrane and in the inner mitochondrial membranes 
D)  in the inner mitochondrial membranes only

Question 12

Suppose that you are a botanist looking for new species of C4 plants. Where should you focus your search?

Accepted Answer

A)  in deserts 
B)  in glaciers 
C)  in rainforests 
D)  in taigas 
A)  in deserts 
B)  in glaciers 
C)  in rainforests 
D)  in taigas

Question 13

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-requires rubisco

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle

Question 14

When does a C4 plant use rubisco to perform carbon fixation?

Accepted Answer

A)  in daylight only 
B)  from noon to midnight 
C)  from midnight to noon 
D)  in darkness only 
A)  in daylight only 
B)  from noon to midnight 
C)  from midnight to noon 
D)  in darkness only

Question 15

Which of the following are used to generate biofuels?

Accepted Answer

A)  single-celled algae 
B)  crop plants 
C)  multicellular algae 
D)  any plants 
A)  single-celled algae 
B)  crop plants 
C)  multicellular algae 
D)  any plants

Question 16

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-this membrane is in contact with the cytosol

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 17

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-membrane most likely to surround an acidic solution

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 18

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-thylakoid membrane

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 19

Which products of the light reactions are used in the Calvin cycle?

Accepted Answer

A)  ATP and NADPH 
B)  CO2 and RuBP 
C)  water and O2 
D)  electrons and photons 
A)  ATP and NADPH 
B)  CO2 and RuBP 
C)  water and O2 
D)  electrons and photons

Question 20

Suppose that you found an organism that can photosynthesize. Based on your findings, which of the following organisms could it most likely be?

Accepted Answer

A)  It could be only a eukaryote. 
B)  It could be either an archaean, a bacterium, or a eukaryote. 
C)  It could be either an archaean or a eukaryote. 
D)  It could be either a bacterium or a eukaryote. 
A)  It could be only a eukaryote. 
B)  It could be either an archaean, a bacterium, or a eukaryote. 
C)  It could be either an archaean or a eukaryote. 
D)  It could be either a bacterium or a eukaryote.

Exam 6: Photosynthesis

Compare and contrast the role of O2 and H2O in photosynthesis and cellular respiration.

What are some of the problems that must be addressed when planting C3 plants in hot, arid climates for ornamental purposes?

In hot climates, photorespiration can decrease carbon fixation efficiently by how much?

Which of the following best explains why regulating opening and closing stomata is more difficult in dry and hot environments?

Suppose that you extract all of the proteins of a leaf and measure the percentage that is rubisco. What percentage of the leaf proteins will the rubisco comprise?

Suppose that photosynthetic eukaryotic cells are provided with CO2 synthesized with heavy oxygen (18O). Then suppose that the 18O label will be found in all but one compound. What is that compound?

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -place where photorespiration occurs

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -place to find rubisco

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -prevents the stroma from coming into contact with the outer membrane

The Calvin cycle consumes CO2 and produces which of the following products?

Where in a plant cell is ATP synthase found?

Suppose that you are a botanist looking for new species of C4 plants. Where should you focus your search?

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -requires rubisco

When does a C4 plant use rubisco to perform carbon fixation?

Which of the following are used to generate biofuels?

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -this membrane is in contact with the cytosol

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -membrane most likely to surround an acidic solution

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -thylakoid membrane

Which products of the light reactions are used in the Calvin cycle?

Suppose that you found an organism that can photosynthesize. Based on your findings, which of the following organisms could it most likely be?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

Filters

Compare and contrast the role of O₂ and H₂O in photosynthesis and cellular respiration.

What are some of the problems that must be addressed when planting C₃ plants in hot, arid climates for ornamental purposes?

Suppose that photosynthetic eukaryotic cells are provided with CO₂ synthesized with heavy oxygen (¹⁸O). Then suppose that the ¹⁸O label will be found in all but one compound. What is that compound?

The Calvin cycle consumes CO₂ and produces which of the following products?

Suppose that you are a botanist looking for new species of C₄ plants. Where should you focus your search?

When does a C₄ plant use rubisco to perform carbon fixation?