Question 1

How many carbons from 13 original glucose molecules enter the Krebs cycle in the absence of oxygen?

Accepted Answer

A) 0 
B) 13 
C) 26 
D) 52 
E) 78 
A) 0 
B) 13 
C) 26 
D) 52 
E) 78

Question 2

A preparation of submitochondrial particles is made.The particles are able to oxidize substrates,generate a proton gradient and make ATP.If the particles are treated with urea,what happens? If DNP is added,what happens? How does DNP make the inner mitochondrial membrane permeable to protons?

Accepted Answer

Urea treatment removes the F1 spheres fr

Question 3

What are the two interconnected domains of the inner mitochondrial membrane?

Accepted Answer

A) inner boundary membrane,cristae 
B) central boundary membrane,cristae 
C) cristae boundary membrane,outer boundary membrane 
D) inner boundary membrane,outer boundary membrane 
E) cristae,matrix 
A) inner boundary membrane,cristae 
B) central boundary membrane,cristae 
C) cristae boundary membrane,outer boundary membrane 
D) inner boundary membrane,outer boundary membrane 
E) cristae,matrix

Question 4

How many carbons from 13 original glucose molecules enter the Krebs cycle in the presence of oxygen?

Accepted Answer

A) 0 
B) 13 
C) 26 
D) 52 
E) 78 
A) 0 
B) 13 
C) 26 
D) 52 
E) 78

Question 5

What are some of the diverse activities in which the enzymes found in peroxisomes are involved?

Accepted Answer

These enzymes are involved in the oxidat

Question 6

It has been shown that one part of ATP synthase rotates relative to another part of the enzyme.This phenomenon is referred to as ________.

Accepted Answer

A) turning catalysis 
B) revolutionary catalysis 
C) rotational catalysis 
D) rotatalysis 
E) revolalysis 
A) turning catalysis 
B) revolutionary catalysis 
C) rotational catalysis 
D) rotatalysis 
E) revolalysis

Question 7

What is another name from for partially reduced ubiquinone?

Accepted Answer

A) ubiquinone 
B) ubisemiquinone 
C) ubiquinol 
D) ubiquinde 
E) ubiquinate 
A) ubiquinone 
B) ubisemiquinone 
C) ubiquinol 
D) ubiquinde 
E) ubiquinate

Question 8

What properties do mitochondria and peroxisomes have in common?

Accepted Answer

They both form by splitting from preexis

Question 9

A doctor in a hospital emergency room sees an obese patient who has come into the emergency room.He has been losing weight rapidly but complains that he has lost energy and is tired most of the time.During his interview with the patient,the doctor thinks he has discovered what is causing the man's condition.What do you think he has found?

Accepted Answer

He probably discovers that the patient h

Question 10

In the experiment that demonstrated that rotational catalysis occurs,a fluorescently labeled actin filament attached to the ATP synthase enzyme's  subunit was seen to rotate when ATP was added to the enzyme,which was fixed to a cover slip.With each step in the rotational catalysis,how much could the actin filament be seen to rotate?

Accepted Answer

A) 0° 
B) 360° 
C) 120° 
D) 90° 
E) 3° 
A) 0° 
B) 360° 
C) 120° 
D) 90° 
E) 3°

Question 11

Electrochemical gradients have both a(n)_________ and a(n)_________ component.

Accepted Answer

A) concentration,acidic 
B) acidic,electrical 
C) concentration,basic 
D) chemical,voltage 
E) acidic,basic 
A) concentration,acidic 
B) acidic,electrical 
C) concentration,basic 
D) chemical,voltage 
E) acidic,basic

Question 12

Pathways in which H+ ions can "hop" through a channel by exchanging themselves with other protons present along the pathway are called ___________.

Accepted Answer

A) proton-conduction pathways 
B) electrical wires 
C) proton wires 
D) proton conveyer belt 
E) proton-conduction pathways and proton wires 
A) proton-conduction pathways 
B) electrical wires 
C) proton wires 
D) proton conveyer belt 
E) proton-conduction pathways and proton wires

Question 13

Which muscles would contain more fast-twitch fibers,arm muscles or the postural muscles of the back?

Accepted Answer

Arm muscles that are used to throw or li

Question 14

The energy released by proton movement through ATP synthase ___________.

Accepted Answer

A) directly phosphorylates ADP to ATP 
B) increases the binding affinity of the active site for the ATP product 
C) directly phosphorylates ATP to ADP 
D) decreases the binding affinity of the active site for the ATP product 
E) directly phosphorylates AMP to ATP 
A) directly phosphorylates ADP to ATP 
B) increases the binding affinity of the active site for the ATP product 
C) directly phosphorylates ATP to ADP 
D) decreases the binding affinity of the active site for the ATP product 
E) directly phosphorylates AMP to ATP

Question 15

Which component involved in the Krebs (TCA)cycle is bound to the inner mitochondrial membrane?

Accepted Answer

A) oxaloacetate 
B) acetyl CoA 
C) succinate dehydrogenase 
D) succinate 
E) succinyl CoA 
A) oxaloacetate 
B) acetyl CoA 
C) succinate dehydrogenase 
D) succinate 
E) succinyl CoA

Question 16

Why do your muscles hurt for some time after a large amount of anaerobic exercise?

Accepted Answer

If your muscles have been running anaero

Question 17

Why did DNP kill patients who took the drug to help them lose weight?

Accepted Answer

A) It caused the patients to oxidize their fat stores in a vain attempt to maintain normal ATP levels. 
B) It blocked hemoglobin. 
C) It caused an infection. 
D) It caused total paralysis. 
E) It prevented the patients from breathing. 
A) It caused the patients to oxidize their fat stores in a vain attempt to maintain normal ATP levels. 
B) It blocked hemoglobin. 
C) It caused an infection. 
D) It caused total paralysis. 
E) It prevented the patients from breathing.

Question 18

Which of the following is not found in a reducing atmosphere?

Accepted Answer

A) H2 
B) NH3 
C) O2 
D) H2O 
E) Both O2 and H2O 
A) H2 
B) NH3 
C) O2 
D) H2O 
E) Both O2 and H2O

Question 19

Given the overall equation for respiration: C6H12O6 + 6O2  6CO2 + 6H2O,at what point in respiration are the reactants used up and the products made?

Accepted Answer

Glucose is used up at the first step in

Question 20

On average,how many ATPs would be made if 4 NADH and 6 FADH2 molecules donated their high-energy electrons to the mitochondrial electron transport chain?

Accepted Answer

A) 10 
B) 24 
C) 12 
D) 30 
E) 20 
A) 10 
B) 24 
C) 12 
D) 30 
E) 20

How many carbons from 13 original glucose molecules enter the Krebs cycle in the absence of oxygen?

A preparation of submitochondrial particles is made.The particles are able to oxidize substrates,generate a proton gradient and make ATP.If the particles are treated with urea,what happens? If DNP is added,what happens? How does DNP make the inner mitochondrial membrane permeable to protons?

What are the two interconnected domains of the inner mitochondrial membrane?

How many carbons from 13 original glucose molecules enter the Krebs cycle in the presence of oxygen?

What are some of the diverse activities in which the enzymes found in peroxisomes are involved?

It has been shown that one part of ATP synthase rotates relative to another part of the enzyme.This phenomenon is referred to as ________.

What is another name from for partially reduced ubiquinone?

What properties do mitochondria and peroxisomes have in common?

Electrochemical gradients have both a(n)_ and a(n)_ component.

Pathways in which H⁺ ions can "hop" through a channel by exchanging themselves with other protons present along the pathway are called ___________.

Which muscles would contain more fast-twitch fibers,arm muscles or the postural muscles of the back?

The energy released by proton movement through ATP synthase ___________.

Which component involved in the Krebs (TCA)cycle is bound to the inner mitochondrial membrane?

Why do your muscles hurt for some time after a large amount of anaerobic exercise?

Why did DNP kill patients who took the drug to help them lose weight?

Which of the following is not found in a reducing atmosphere?

Given the overall equation for respiration: C₆H₁₂O₆ + 6O₂ <-> 6CO₂ + 6H₂O,at what point in respiration are the reactants used up and the products made?

On average,how many ATPs would be made if 4 NADH and 6 FADH₂ molecules donated their high-energy electrons to the mitochondrial electron transport chain?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes, and Metabolism

The Structure and Function of the Plasma Membrane

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 5: Aerobic Respiration and the Mitochondrion

How many carbons from 13 original glucose molecules enter the Krebs cycle in the absence of oxygen?

A preparation of submitochondrial particles is made.The particles are able to oxidize substrates,generate a proton gradient and make ATP.If the particles are treated with urea,what happens? If DNP is added,what happens? How does DNP make the inner mitochondrial membrane permeable to protons?

What are the two interconnected domains of the inner mitochondrial membrane?

How many carbons from 13 original glucose molecules enter the Krebs cycle in the presence of oxygen?

What are some of the diverse activities in which the enzymes found in peroxisomes are involved?

It has been shown that one part of ATP synthase rotates relative to another part of the enzyme.This phenomenon is referred to as ________.

What is another name from for partially reduced ubiquinone?

What properties do mitochondria and peroxisomes have in common?

Electrochemical gradients have both a(n)_________ and a(n)_________ component.

Pathways in which H+ ions can "hop" through a channel by exchanging themselves with other protons present along the pathway are called ___________.

Which muscles would contain more fast-twitch fibers,arm muscles or the postural muscles of the back?

The energy released by proton movement through ATP synthase ___________.

Which component involved in the Krebs (TCA)cycle is bound to the inner mitochondrial membrane?

Why do your muscles hurt for some time after a large amount of anaerobic exercise?

Why did DNP kill patients who took the drug to help them lose weight?

Which of the following is not found in a reducing atmosphere?

Given the overall equation for respiration: C6H12O6 + 6O2 <-> 6CO2 + 6H2O,at what point in respiration are the reactants used up and the products made?

On average,how many ATPs would be made if 4 NADH and 6 FADH2 molecules donated their high-energy electrons to the mitochondrial electron transport chain?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes, and Metabolism

The Structure and Function of the Plasma Membrane

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Electrochemical gradients have both a(n)_ and a(n)_ component.

Pathways in which H⁺ ions can "hop" through a channel by exchanging themselves with other protons present along the pathway are called ___________.

Given the overall equation for respiration: C₆H₁₂O₆ + 6O₂ <-> 6CO₂ + 6H₂O,at what point in respiration are the reactants used up and the products made?

On average,how many ATPs would be made if 4 NADH and 6 FADH₂ molecules donated their high-energy electrons to the mitochondrial electron transport chain?