Question 1

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

Accepted Answer

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

Question 2

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all.  
-membrane most important in generating a proton gradient for ATP synthesis

Accepted Answer

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

Question 3

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 4

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 5

What is the purpose of the Calvin cycle?

Accepted Answer

A) to recover electrons lost when water was split 
B) to counteract increasing atmospheric CO2 concentrations (global warming) 
C) to capture photons of light 
D) to produce sugars using CO2 as a carbon source 
A) to recover electrons lost when water was split 
B) to counteract increasing atmospheric CO2 concentrations (global warming) 
C) to capture photons of light 
D) to produce sugars using CO2 as a carbon source

Question 6

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) 75% 
A) 10% 
B) 25% 
C) 50% 
D) 75%

Question 7

Suppose you explored a new planet and found a photosynthetic organism unlike any on Earth. Also suppose that you repeat Engelmann's classic experiment using this new organism in place of Spirogyra and find that oxygen-dependent bacteria cluster near the green and yellow portions of the spectrum. Which statement summarizes what you have learned?

Accepted Answer

A) This organism is green, just like plants on Earth. 
B) This organism utilizes the most energy-rich photons of the spectrum. 
C) The Sun of this new planet emits different wavelengths of light than those emitted by Earth's Sun. 
D) This new organism is using yellow and green light to drive photosynthesis. 
A) This organism is green, just like plants on Earth. 
B) This organism utilizes the most energy-rich photons of the spectrum. 
C) The Sun of this new planet emits different wavelengths of light than those emitted by Earth's Sun. 
D) This new organism is using yellow and green light to drive photosynthesis.

Question 8

For each phrase, choose the most appropriate process.
-occurs only during the daytime

Accepted Answer

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

Question 9

For each phrase, choose the most appropriate process.
-requires glucose

Accepted Answer

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

Question 10

Which sentence best describes fluorescence?

Accepted Answer

A) A pigment molecule accepts a high-energy electron and releases a photon of energy. 
B) A high-energy electron leaves its nucleus and moves to a different molecule. 
C) A high-energy electron returns to its ground state by releasing energy in a photon. 
D) A low-energy electron moves to a high-energy state by absorbing heat. 
A) A pigment molecule accepts a high-energy electron and releases a photon of energy. 
B) A high-energy electron leaves its nucleus and moves to a different molecule. 
C) A high-energy electron returns to its ground state by releasing energy in a photon. 
D) A low-energy electron moves to a high-energy state by absorbing heat.

Question 11

Match the name of the process to its description.
-This is when the G3P product is actually synthesized in the chloroplast.

Accepted Answer

A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle 
A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle

Question 12

Match the terms and descriptions with the correct labelled part in the following 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 13

Match the name of the process to its description.
-This reaction uses rubisco, the most abundant enzyme on Earth.

Accepted Answer

A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle 
A) noncyclic electron flow 
B) cyclic electron flow 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of Calvin cycle 
E) RuBP regeneration stage of Calvin cycle

Question 14

Where does photosynthesis occur in eukaryotes?

Accepted Answer

A) in the mitochondria 
B) in the chloroplasts 
C) in the plasma membrane 
D) in the cytosol 
A) in the mitochondria 
B) in the chloroplasts 
C) in the plasma membrane 
D) in the cytosol

Question 15

What is the primary purpose of the light-dependent reactions?

Accepted Answer

A) to transfer electrons to the primary electron acceptors 
B) to provide electrons and energy for the light-independent reactions 
C) to generate O2 
D) to create a proton gradient across the thylakoid membrane 
A) to transfer electrons to the primary electron acceptors 
B) to provide electrons and energy for the light-independent reactions 
C) to generate O2 
D) to create a proton gradient across the thylakoid membrane

Question 16

Match each term with its definition.
-photoautotrophs

Accepted Answer

A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source 
A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the light-independent reactions in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid and stromal membranes of chloroplasts 
D) membranous connections between granum that allow individual thylakoid lumens to form a single, contiguous compartment 
E) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle
F)the molecule used to store carbon overnight in CAM plants
G)organisms that use CO2 as their carbon source and light as their energy source

Question 17

For each phrase, choose the most appropriate process.
-produces ATP

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all.  
-where you would find carotenoids

Accepted Answer

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

Question 20

What are the reactants and products that link the light-dependent and the light-independent reactions of photosynthesis?

Accepted Answer

A) CO2 and NADPH 
B) ATP and NADH 
C) ATP and NADPH 
D) FADH2 and CO2 
A) CO2 and NADPH 
B) ATP and NADH 
C) ATP and NADPH 
D) FADH2 and CO2

Exam 7: Photosynthesis

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

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all. -membrane most important in generating a proton gradient for ATP synthesis

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?

What is the purpose of the Calvin cycle?

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?

For each phrase, choose the most appropriate process. -occurs only during the daytime

For each phrase, choose the most appropriate process. -requires glucose

Which sentence best describes fluorescence?

Match the name of the process to its description. -This is when the G3P product is actually synthesized in the chloroplast.

Match the terms and descriptions with the correct labelled part in the following 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 name of the process to its description. -This reaction uses rubisco, the most abundant enzyme on Earth.

Where does photosynthesis occur in eukaryotes?

What is the primary purpose of the light-dependent reactions?

Match each term with its definition. -photoautotrophs

For each phrase, choose the most appropriate process. -produces ATP

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

Match the terms and descriptions with the correct labelled part in the following illustration. A labelled part may be used once, more than once, or not at all. -where you would find carotenoids

What are the reactants and products that link the light-dependent and the light-independent reactions of photosynthesis?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

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

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters

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?