Question 1

Yeasts use fermentation to synthesize ATP:

Accepted Answer

A) in the absence of oxygen. 
B) because fermentation produces more ATP than oxidative phosphorylation. 
C) because yeasts lack mitochondria. 
D) to produce lactic acid. 
A) in the absence of oxygen. 
B) because fermentation produces more ATP than oxidative phosphorylation. 
C) because yeasts lack mitochondria. 
D) to produce lactic acid.

Question 2

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Accepted Answer

A) an electron and proton shuttle. 
B) an electron carrier. 
C) a reaction center. 
D) a pump. 
A) an electron and proton shuttle. 
B) an electron carrier. 
C) a reaction center. 
D) a pump.

Question 3

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Accepted Answer

A) red and orange light 
B) red and blue light 
C) green and blue light 
D) violet and yellow light 
A) red and orange light 
B) red and blue light 
C) green and blue light 
D) violet and yellow light

Question 4

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

Accepted Answer

A) ATP hydrolysis. 
B) ATP synthesis. 
C) a Na⁺ gradient. 
D) the proton-motive force. 
A) ATP hydrolysis. 
B) ATP synthesis. 
C) a Na⁺ gradient. 
D) the proton-motive force.

Question 5

What is the source of the energy for carbon fixation?

Accepted Answer

The reactions that fix CO₂ are

Question 6

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

Accepted Answer

A) in the stroma. 
B) in the thylakoid lumen. 
C) in or on the thylakoid membrane. 
D) in or on the inner membrane. 
A) in the stroma. 
B) in the thylakoid lumen. 
C) in or on the thylakoid membrane. 
D) in or on the inner membrane.

Question 7

In photosynthesis,all of the following reactions are directly dependent on light,except:

Accepted Answer

A) carbon fixation. 
B) synthesis of ATP. 
C) electron transport. 
D) removal of electrons from H₂O. 
A) carbon fixation. 
B) synthesis of ATP. 
C) electron transport. 
D) removal of electrons from H₂O.

Question 8

The enzymes that catalyze the Calvin cycle are found in the:

Accepted Answer

A) thylakoid lumen. 
B) phloem. 
C) cytosol. 
D) stromal space. 
A) thylakoid lumen. 
B) phloem. 
C) cytosol. 
D) stromal space.

Question 9

During cyclic electron flow,electron transport:

Accepted Answer

A) involves neither PSI nor PSII. 
B) takes place only in PSI. 
C) takes place only in PSII. 
D) cycles electrons back and forth between PSI and PSII. 
A) involves neither PSI nor PSII. 
B) takes place only in PSI. 
C) takes place only in PSII. 
D) cycles electrons back and forth between PSI and PSII.

Question 10

What is the role of substrate-level phosphorylation in glycolysis?

Accepted Answer

During glycolysis,substrate level phosph

Question 11

The molecule that immediately enters the citric acid cycle is formed by which process?

Accepted Answer

A) chemiosmosis 
B) glycolysis 
C) the light reactions 
D) pyruvate conversion 
A) chemiosmosis 
B) glycolysis 
C) the light reactions 
D) pyruvate conversion

Yeasts use fermentation to synthesize ATP:

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

What is the source of the energy for carbon fixation?

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

In photosynthesis,all of the following reactions are directly dependent on light,except:

The enzymes that catalyze the Calvin cycle are found in the:

During cyclic electron flow,electron transport:

What is the role of substrate-level phosphorylation in glycolysis?

The molecule that immediately enters the citric acid cycle is formed by which process?

Chemical Foundations

Molecular Genetic Techniques

Protein Structure and Function

Culturing and Visualizing Cells

Fundamental Molecular Genetic Mechanisms

Bio-membrane Structure

Genes Genomics and Chromosomes

Transcriptional Control of Gene Expression

Post-Transcriptional Gene Control

Transmembrane Transport of Ions and Small Molecules

Moving Proteins Into Membranes and Organelles

Vesicular Traffic, Secretion, and Endocytosis

Signal Transduction and G-Protein Coupled Receptors

Signaling Pathways That Control Gene Activity

Cell Organization and Movement I: Microfilaments

Cell Organization and Movement II: Microtubules and Intermediate Filaments

Regulating the Eukaryotic Cell Cycle

Integrating Cells Into Tissues

Cell Birth, Lineage, and Death

Nerve Cells

Immunology

Cancer

Filters

Exam 11: Cellular Energetics

Yeasts use fermentation to synthesize ATP:

Plastoquinone,like ubiquinone,can move freely within the membrane.This is important for its function as:

Based on what you know about the action spectra of photosynthesis,irradiating a leaf with which of the following light types would result in the release of the greatest quantities of oxygen?

Transport of pyruvate into the mitochondrial matrix depends on energy provided by:

What is the source of the energy for carbon fixation?

In chloroplasts,light absorption,electron transport,and ATP synthesis all occur:

In photosynthesis,all of the following reactions are directly dependent on light,except:

The enzymes that catalyze the Calvin cycle are found in the:

During cyclic electron flow,electron transport:

What is the role of substrate-level phosphorylation in glycolysis?

The molecule that immediately enters the citric acid cycle is formed by which process?

Chemical Foundations

Molecular Genetic Techniques

Protein Structure and Function

Culturing and Visualizing Cells

Fundamental Molecular Genetic Mechanisms

Bio-membrane Structure

Genes Genomics and Chromosomes

Transcriptional Control of Gene Expression

Post-Transcriptional Gene Control

Transmembrane Transport of Ions and Small Molecules

Moving Proteins Into Membranes and Organelles

Vesicular Traffic, Secretion, and Endocytosis

Signal Transduction and G-Protein Coupled Receptors

Signaling Pathways That Control Gene Activity

Cell Organization and Movement I: Microfilaments

Cell Organization and Movement II: Microtubules and Intermediate Filaments

Regulating the Eukaryotic Cell Cycle

Integrating Cells Into Tissues

Cell Birth, Lineage, and Death

Nerve Cells

Immunology

Cancer

Filters