Question 1

How is nitrogen incorporated into organic molecules in animal cells?

Accepted Answer

Ammonia is attached to the 5-c

Question 2

The incorporation of each amino acid into a protein is coupled to the hydrolysis of _______ molecule(s).

Accepted Answer

A)  one ATP 
B)  two ATP 
C)  one ATP and one GTP 
D)  one ATP and two GTP 
A)  one ATP 
B)  two ATP 
C)  one ATP and one GTP 
D)  one ATP and two GTP

Question 3

In addition to the three molecules of NADH produced per molecule of acetate introduced into the citric acid cycle, one molecule of an additional reduced cofactor called _______ is produced.

Accepted Answer

The answer of In addition to the three molecules of...

Question 4

What is the role of light with respect to photosystem I (PS I) and NADPH generation?

Accepted Answer

Light input into PS I is used

Question 5

Photosynthesis uses light energy to chemically convert

Accepted Answer

A)  CO and H2O into CH4 and O2. 
B)  CH3OH into C6H12O6. 
C)  C6H12O6 and O2 into CO2 and H2O. 
D)  CO2 and H2O into C6H12O6 and O2. 
A)  CO and H2O into CH4 and O2. 
B)  CH3OH into C6H12O6. 
C)  C6H12O6 and O2 into CO2 and H2O. 
D)  CO2 and H2O into C6H12O6 and O2.

Question 6

How many carbons does the acetate group of acetyl CoA have?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 7

Suppose you are visiting a local greenhouse and the greenhouse manager excitedly points out "the cool, white corn plant" nestled among the green ones. How large is the white plant likely to be? Explain your answer.

Accepted Answer

The plant is very small. This is likely

Question 8

Amino acids are synthesized from intermediates in _______ and from the _______.

Accepted Answer

glycolysis

Question 9

Which statement correctly describes the difference between the proton gradient across the inner mitochondrial membrane and the proton gradient across the thylakoid membrane of chloroplasts?

Accepted Answer

A)  The first creates an electrochemical gradient, while the second produces a mostly chemical gradient. 
B)  There is no proton gradient across the thylakoid membrane; magnesium ions create the gradient instead. 
C)  It is generated by an electron transport system in the first case but not the second. 
D)  It drives the synthesis of ATP in the first case but not in the second. 
A)  The first creates an electrochemical gradient, while the second produces a mostly chemical gradient. 
B)  There is no proton gradient across the thylakoid membrane; magnesium ions create the gradient instead. 
C)  It is generated by an electron transport system in the first case but not the second. 
D)  It drives the synthesis of ATP in the first case but not in the second.

Question 10

What are the energetic consequences of coupling a reaction with a +$\Delta$G to one with a larger -$\Delta$G?

Accepted Answer

A)  An outcome in which the overall $\Delta$G is positive 
B)  An outcome in which both reactions are energetically unfavorable overall 
C)  A $\Delta$G that is favorable overall and drives the reaction with a +$\Delta$G in the forward direction 
D)  An outcome in which the overall $\Delta$G is unfavorable 
A)  An outcome in which the overall $\Delta$G is positive 
B)  An outcome in which both reactions are energetically unfavorable overall 
C)  A $\Delta$G that is favorable overall and drives the reaction with a +$\Delta$G in the forward direction 
D)  An outcome in which the overall $\Delta$G is unfavorable

Question 11

Amino acids are synthesized from intermediates in glycolysis and in the citric acid cycle.

Accepted Answer

A) True 
 B)False

Question 12

The acceptor of acyl groups from pyruvate is _______.

Accepted Answer

The answer of The acceptor of acyl groups from pyruvate...

Question 13

Photosystems I and II both contribute electrons to cytochrome bf to generate a proton gradient that powers ATP generation by the chloroplast ATP synthase.

Accepted Answer

A) True 
 B)False

Question 14

Dihydroxyacetone is interconvertible with glyceraldehyde-3-phosphate. If this were not the case, what would be the net ATP yield from glycolysis?

Accepted Answer

Although both dihydroxyacetone and glyce

Question 15

The fixation of atmospheric nitrogen can be carried out by

Accepted Answer

A)  a few species of bacteria. 
B)  bacteria, fungi, and plants. 
C)  plants. 
D)  all eukaryotes. 
A)  a few species of bacteria. 
B)  bacteria, fungi, and plants. 
C)  plants. 
D)  all eukaryotes.

Question 16

The role of cytochrome c in the electron transport chain is to

Accepted Answer

A)  transfer electrons from complex III to complex IV. 
B)  transfer the electrons to molecular oxygen. 
C)  transfer electrons from complex I to complex III. 
D)  couple the passage of protons down the gradient to ATP production. 
A)  transfer electrons from complex III to complex IV. 
B)  transfer the electrons to molecular oxygen. 
C)  transfer electrons from complex I to complex III. 
D)  couple the passage of protons down the gradient to ATP production.

Question 17

The compound 6-mercaptopurine has been used successfully to treat _______.

Accepted Answer

The answer of The compound 6-mercaptopurine has been used successfully...

Question 18

Light-dependent generation of ATP in photosynthesis occurs in the

Accepted Answer

A)  stroma. 
B)  inner membrane. 
C)  thylakoid membrane. 
D)  thylakoid lumen. 
A)  stroma. 
B)  inner membrane. 
C)  thylakoid membrane. 
D)  thylakoid lumen.

Question 19

The ATP and NADPH produced by photosynthesis are used to synthesize _______ from _______ and _______.

Accepted Answer

carbohydrates; carbo

Question 20

Many bacteria and plants can synthesize all 20 amino acids found in proteins.

Accepted Answer

A) True 
 B)False

How is nitrogen incorporated into organic molecules in animal cells?

The incorporation of each amino acid into a protein is coupled to the hydrolysis of _______ molecule(s).

In addition to the three molecules of NADH produced per molecule of acetate introduced into the citric acid cycle, one molecule of an additional reduced cofactor called _______ is produced.

What is the role of light with respect to photosystem I (PS I) and NADPH generation?

Photosynthesis uses light energy to chemically convert

How many carbons does the acetate group of acetyl CoA have?

Suppose you are visiting a local greenhouse and the greenhouse manager excitedly points out "the cool, white corn plant" nestled among the green ones. How large is the white plant likely to be? Explain your answer.

Amino acids are synthesized from intermediates in _ and from the _.

Which statement correctly describes the difference between the proton gradient across the inner mitochondrial membrane and the proton gradient across the thylakoid membrane of chloroplasts?

What are the energetic consequences of coupling a reaction with a + $\Delta$ G to one with a larger - $\Delta$ G?

Amino acids are synthesized from intermediates in glycolysis and in the citric acid cycle.

The acceptor of acyl groups from pyruvate is _______.

Photosystems I and II both contribute electrons to cytochrome bf to generate a proton gradient that powers ATP generation by the chloroplast ATP synthase.

Dihydroxyacetone is interconvertible with glyceraldehyde-3-phosphate. If this were not the case, what would be the net ATP yield from glycolysis?

The fixation of atmospheric nitrogen can be carried out by

The role of cytochrome c in the electron transport chain is to

The compound 6-mercaptopurine has been used successfully to treat _______.

Light-dependent generation of ATP in photosynthesis occurs in the

The ATP and NADPH produced by photosynthesis are used to synthesize ___ from _ and _____.

Many bacteria and plants can synthesize all 20 amino acids found in proteins.

An Overview of Cells and Cell Research

Molecules and Membranes

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

Exam 3: Bioenergetics and Metabolism

How is nitrogen incorporated into organic molecules in animal cells?

The incorporation of each amino acid into a protein is coupled to the hydrolysis of _______ molecule(s).

In addition to the three molecules of NADH produced per molecule of acetate introduced into the citric acid cycle, one molecule of an additional reduced cofactor called _______ is produced.

What is the role of light with respect to photosystem I (PS I) and NADPH generation?

Photosynthesis uses light energy to chemically convert

How many carbons does the acetate group of acetyl CoA have?

Suppose you are visiting a local greenhouse and the greenhouse manager excitedly points out "the cool, white corn plant" nestled among the green ones. How large is the white plant likely to be? Explain your answer.

Amino acids are synthesized from intermediates in _______ and from the _______.

Which statement correctly describes the difference between the proton gradient across the inner mitochondrial membrane and the proton gradient across the thylakoid membrane of chloroplasts?

What are the energetic consequences of coupling a reaction with a + Δ\DeltaΔ G to one with a larger - Δ\DeltaΔ G?

Amino acids are synthesized from intermediates in glycolysis and in the citric acid cycle.

The acceptor of acyl groups from pyruvate is _______.

Photosystems I and II both contribute electrons to cytochrome bf to generate a proton gradient that powers ATP generation by the chloroplast ATP synthase.

Dihydroxyacetone is interconvertible with glyceraldehyde-3-phosphate. If this were not the case, what would be the net ATP yield from glycolysis?

The fixation of atmospheric nitrogen can be carried out by

The role of cytochrome c in the electron transport chain is to

The compound 6-mercaptopurine has been used successfully to treat _______.

Light-dependent generation of ATP in photosynthesis occurs in the

The ATP and NADPH produced by photosynthesis are used to synthesize _______ from _______ and _______.

Many bacteria and plants can synthesize all 20 amino acids found in proteins.

An Overview of Cells and Cell Research

Molecules and Membranes

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

Amino acids are synthesized from intermediates in _ and from the _.

What are the energetic consequences of coupling a reaction with a + $\Delta$ G to one with a larger - $\Delta$ G?

The ATP and NADPH produced by photosynthesis are used to synthesize ___ from _ and _____.