Question 1

Biofuels ____.

Accepted Answer

A) are a renewable source of energy 
B) do not produce carbon dioxide when burned 
C) are made from organic remains of ancient organisms 
D) release energy without using oxygen 
E) do not damage the environment 
A) are a renewable source of energy 
B) do not produce carbon dioxide when burned 
C) are made from organic remains of ancient organisms 
D) release energy without using oxygen 
E) do not damage the environment A

Question 2

In which of the following do the light-dependent reactions of photosynthesis take place?

Accepted Answer

A) thylakoid membranes 
B) stroma 
C) the outermost membrane 
D) between the outermost and innermost membranes 
E) a combination of more than one of these 
A) thylakoid membranes 
B) stroma 
C) the outermost membrane 
D) between the outermost and innermost membranes 
E) a combination of more than one of these A

Question 3

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions  
-Which process is indicated by label 8?

Accepted Answer

A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis 
A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis F

Question 4

ATP is formed when ____ the thylakoid compartment.

Accepted Answer

A) hydrogen ions enter 
B) hydrogen ions leave 
C) electrons leave 
D) electrons enter 
E) water is split in 
A) hydrogen ions enter 
B) hydrogen ions leave 
C) electrons leave 
D) electrons enter 
E) water is split in

Question 5

As ATP begins to accumulate in the cytoplasm of animal cells,the extra glucose ____.

Accepted Answer

A) enters glycolysis more rapidly 
B) is converted into glycogen 
C) is converted into starch. 
D) is converted into proteins 
E) is converted into carbohydrates 
A) enters glycolysis more rapidly 
B) is converted into glycogen 
C) is converted into starch. 
D) is converted into proteins 
E) is converted into carbohydrates

Question 6

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions  
-Which process is indicated by label 2?

Accepted Answer

A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis 
A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis

Question 7

In light-dependent reactions,hydrogen ions are transported into the thylakoid membrane.What drives the movement of these ions?

Accepted Answer

A) passive diffusion of ions from high to low concentration 
B) passive diffusion of ions from low to high concentration 
C) active transport of ions driven by the hydrolysis of water into oxygen 
D) active transport of ions driven by energy from the electron transport chain 
E) active transport through the enzyme ATP synthase 
A) passive diffusion of ions from high to low concentration 
B) passive diffusion of ions from low to high concentration 
C) active transport of ions driven by the hydrolysis of water into oxygen 
D) active transport of ions driven by energy from the electron transport chain 
E) active transport through the enzyme ATP synthase

Question 8

The stroma of a chloroplast is most like which cellular structure?

Accepted Answer

A) ribosomes 
B) cell membranes 
C) the cytoplasm 
D) nuclei 
E) mitochondria 
A) ribosomes 
B) cell membranes 
C) the cytoplasm 
D) nuclei 
E) mitochondria

Question 9

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process.
-Which process leads to the formation of glucose?

Accepted Answer

A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway 
A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway

Question 10

What is the role of oxygen gas in aerobic respiration?

Accepted Answer

A) To provide electrons for NADH 
B) To accept energy from glucose 
C) To accept electrons from electron transport 
D) To provide kinetic energy for ATP synthase 
E) To donate electrons for electron transport 
A) To provide electrons for NADH 
B) To accept energy from glucose 
C) To accept electrons from electron transport 
D) To provide kinetic energy for ATP synthase 
E) To donate electrons for electron transport

Question 11

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process.
-Which process fixes carbon twice?

Accepted Answer

A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway 
A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway

Question 12

In which cellular organelle does photosynthesis take place?

Accepted Answer

A) rough endoplasmic reticulum 
B) Golgi bodies 
C) mitochondria 
D) chloroplasts 
E) lysosome 
A) rough endoplasmic reticulum 
B) Golgi bodies 
C) mitochondria 
D) chloroplasts 
E) lysosome

Question 13

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process.
-Electron transfer drives ATP formation in which process?

Accepted Answer

A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway 
A) light-dependent reactions 
B) electron transfer phosphorylation 
C) carbon dioxide fixation 
D) Calvin-Benson cycle 
E) C4 pathway

Question 14

In the light-dependent reactions of photosynthesis,how do hydrogen ions get back into the stroma?

Accepted Answer

A) passive diffusion directly across the thylakoid membrane 
B) active transport across the thylakoid membrane 
C) facilitated diffusion across the thylakoid membrane 
D) active transport through ATP synthase 
E) passive diffusion through ATP synthase 
A) passive diffusion directly across the thylakoid membrane 
B) active transport across the thylakoid membrane 
C) facilitated diffusion across the thylakoid membrane 
D) active transport through ATP synthase 
E) passive diffusion through ATP synthase

Question 15

Visible light comprises wavelengths that vary between ____ nanometers.

Accepted Answer

A) 380 and 750 
B) 350 and 750 
C) 390 and 780 
D) 340 and 740 
E) 320 and 740 
A) 380 and 750 
B) 350 and 750 
C) 390 and 780 
D) 340 and 740 
E) 320 and 740

Question 16

What are the advantages of C4 and CAM photosynthesis as compared to C3 photosynthesis?

Accepted Answer

A) High sugar production can be maintained on hot, dry days. 
B) Water is not necessary for the light-dependent reactions. 
C) Carbon dioxide is not needed for the light-independent reactions. 
D) Less sugar is necessary for metabolic activities. 
E) Light dependent reactions are more efficient. 
A) High sugar production can be maintained on hot, dry days. 
B) Water is not necessary for the light-dependent reactions. 
C) Carbon dioxide is not needed for the light-independent reactions. 
D) Less sugar is necessary for metabolic activities. 
E) Light dependent reactions are more efficient.

Question 17

The bubbles in beer are ____.

Accepted Answer

A) carbon dioxide 
B) oxygen 
C) ethanol 
D) pyruvate 
E) nitrous oxide 
A) carbon dioxide 
B) oxygen 
C) ethanol 
D) pyruvate 
E) nitrous oxide

Question 18

As early organisms evolved the ability to harness energy from the sun,other organisms began to die out because they were ____.

Accepted Answer

A) destroyed by a meteorite 
B) outcompeted by multi-celled organisms 
C) consumed by dinosaurs 
D) poisoned by oxygen gas 
E) starved 
A) destroyed by a meteorite 
B) outcompeted by multi-celled organisms 
C) consumed by dinosaurs 
D) poisoned by oxygen gas 
E) starved

Question 19

When glucose is used as the energy source,the largest amount of ATP is produced in ____.

Accepted Answer

A) glycolysis 
B) acetyl-CoA formation 
C) the Krebs cycle 
D) fermentation 
E) electron transfer phosphorylation 
A) glycolysis 
B) acetyl-CoA formation 
C) the Krebs cycle 
D) fermentation 
E) electron transfer phosphorylation

Question 20

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions  
-Which process is indicated by label 3?

Accepted Answer

A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis 
A) final acceptor of electrons 
B) transfer of electrons between molecules 
C) release of electrons into the photosystem 
D) active transport of hydrogen ions to establish gradient 
E) passive transport of hydrogen ions down a gradient
F)enzymatic phosphorylation
G)replacement of electrons by hydrolysis

Biofuels ____.

In which of the following do the light-dependent reactions of photosynthesis take place?

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 8?

ATP is formed when ____ the thylakoid compartment.

As ATP begins to accumulate in the cytoplasm of animal cells,the extra glucose ____.

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 2?

In light-dependent reactions,hydrogen ions are transported into the thylakoid membrane.What drives the movement of these ions?

The stroma of a chloroplast is most like which cellular structure?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Which process leads to the formation of glucose?

What is the role of oxygen gas in aerobic respiration?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Which process fixes carbon twice?

In which cellular organelle does photosynthesis take place?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Electron transfer drives ATP formation in which process?

In the light-dependent reactions of photosynthesis,how do hydrogen ions get back into the stroma?

Visible light comprises wavelengths that vary between ____ nanometers.

What are the advantages of C4 and CAM photosynthesis as compared to C3 photosynthesis?

The bubbles in beer are ____.

As early organisms evolved the ability to harness energy from the sun,other organisms began to die out because they were ____.

When glucose is used as the energy source,the largest amount of ATP is produced in ____.

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 3?

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Patterns Of Inheritance

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Population Ecology

Communities And Ecosystems

The Biosphere And Human Effects

Filters

Exam 5: Capturing And Releasing Energy

Biofuels ____.

In which of the following do the light-dependent reactions of photosynthesis take place?

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 8?

ATP is formed when ____ the thylakoid compartment.

As ATP begins to accumulate in the cytoplasm of animal cells,the extra glucose ____.

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 2?

In light-dependent reactions,hydrogen ions are transported into the thylakoid membrane.What drives the movement of these ions?

The stroma of a chloroplast is most like which cellular structure?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Which process leads to the formation of glucose?

What is the role of oxygen gas in aerobic respiration?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Which process fixes carbon twice?

In which cellular organelle does photosynthesis take place?

The processes described below represent major chemical pathways in the photosynthetic process.Match each description to the corresponding process. -Electron transfer drives ATP formation in which process?

In the light-dependent reactions of photosynthesis,how do hydrogen ions get back into the stroma?

Visible light comprises wavelengths that vary between ____ nanometers.

What are the advantages of C4 and CAM photosynthesis as compared to C3 photosynthesis?

The bubbles in beer are ____.

As early organisms evolved the ability to harness energy from the sun,other organisms began to die out because they were ____.

When glucose is used as the energy source,the largest amount of ATP is produced in ____.

During the light-dependent reactions in the thylakoid membrane, light energy is converted to ATP.Match the specified labels in the diagram with their corresponding functions -Which process is indicated by label 3?

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Patterns Of Inheritance

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Population Ecology

Communities And Ecosystems

The Biosphere And Human Effects

Filters