Question 1

The molecule acetyl CoA is completely broken down into carbon dioxide, hydrogen ions, and electrons in which one of the following processes?

Accepted Answer

A)   glycolysis
B)   action of the sodium-potassium pump
C)   the electron transport system
D)   exocytosis
E)   the citric acid cycleF) A) and E)
G) None of the above

Question 2

Water moves via osmosis from an area with a lower solute concentration to an area with a higher solute concentration.

Accepted Answer

A) True 
 B)False

Question 3

Assume that you ate a salad that contained some compounds that upset your stomach but still managed to be absorbed and eventually moved into liver cells. The plant compounds are noxious and potentially toxic to the liver cells. Which organelle in the liver cells would be expected to target and detoxify the plant compounds?

Accepted Answer

A)   ribosome
B)   mitochondrion
C)   peroxisome
D)   centriole
E)   nucleolusF) C) and E)
G) None of the above

Question 4

To increase the surface area of some cells, the plasma membrane possesses

Accepted Answer

A)   receptors.
B)   flagella.
C)   microvilli.
D)   transport proteins.E) B) and D)
F) B) and C)

Question 5

All eukaryotic cells have a plasma membrane composed of a phospholipid bilayer.

Accepted Answer

A) True 
 B)False

Question 6

Which one of the following is TRUE regarding cellular respiration?

Accepted Answer

A)   begins with the electron transport system
B)   requires the presence of oxygen
C)   results in the complete breakdown of ATP
D)   produces carbon dioxide and oxygen
E)   results in the synthesis of large sugar moleculesF) D) and E)
G) B) and C) B

Question 7

Glycolysis can occur in the presence or absence of oxygen.

Accepted Answer

A) True 
 B)False

Question 8

Intracellular structures surrounded by membranes, such as mitochondria and lysosomes, are referred to as ________.

Accepted Answer

The answer of Intracellular structures surrounded by membranes, such as...

Question 9

The plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass; thus it is said to be ________.

Accepted Answer

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Question 10

During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished through the participation of which one of the following organelles?

Accepted Answer

A)   centrioles
B)   ribosomes
C)   peroxisomes
D)   Golgi apparatus
E)   nucleolusF) A) and E)
G) A) and D) A

Question 11

Which one of the following organelles is involved in the production of proteins that are exported from the cell?

Accepted Answer

A)   rough endoplasmic reticulum
B)   lysosome
C)   mitochondrion
D)   smooth endoplasmic reticulum
E)   centrioleF) None of the above
G) A) and C)

Question 12

Glucose is the most commonly used energy source by human cells because

Accepted Answer

A)   this is the largest macromolecule available to cells for energy production.
B)   this monosaccharide yields the most energy of all macromolecules.
C)   fats and proteins yield too much energy for the cells to process.
D)   glucose is generally the most readily available substrate, derived from food or glycogen.
E)   no other macromolecule can be broken down enzymatically by cells to release energy.F) C) and E)
G) All of the above

Question 13

Muscle cells require more energy than most other cells in order to function. Therefore, muscle cells would be expected to have more ________ and ________ than most other animal cells.

Accepted Answer

A)   glycogen; mitochondria
B)   peroxisomes; fat
C)   mitochondria; starch
D)   ribosomes; glycogen
E)   glucose; nucleiF) A) and D)
G) A) and C)

Question 14

Which type of microscope provides tremendous (100,000-fold)  magnification and enables viewing of fine internal structural details of cells?

Accepted Answer

A)   light microscope
B)   scanning electron microscope
C)   transmission electron microscopeD) A) and B)
E) A) and C)

Question 15

If a red blood cell, or any other type of human cell, is placed in a hypertonic solution, water enters the cell, causing it to swell and eventually burst.

Accepted Answer

A) True 
 B)False

Question 16

Most eukaryotic cells have a membrane-bound ________ that contains the genetic material.

Accepted Answer

A)   nucleus
B)   cytoplasm
C)   lysosome
D)   plasma membrane
E)   cell wallF) D) and E)
G) A) and B)

Question 17

In experiments with HeLa cells, you discover that a new chemical agent blocks cell growth by inhibiting protein synthesis. Describe where in the cell the drug is most likely having an effect.

Accepted Answer

Since new proteins are produced on ribosomes, the agent is most likely acting where these organelles are located. Ribosomes predominantly occur as free floating in the cytoplasm and on the surface of rough endoplasmic reticulum.

Question 18

Active transport is like facilitated diffusion in that both processes

Accepted Answer

A)   move molecules down their concentration gradient.
B)   require the presence of proteins in the plasma membrane that move molecules from one side of the plasma membrane to the other.
C)   require the conversion of ADP to ATP.
D)   do not require a source of energy.
E)   facilitate the movement of water through the phospholipids of the plasma membrane.F) A) and E)
G) A) and D)

Question 19

There are different types of microscopes that can be used to provide information about cells. Which type of microscope is used for the observation of living cells?

Accepted Answer

A)   light microscope
B)   scanning electron microscope
C)   transmission electron microscopeD) A) and C)
E) None of the above

Question 20

Match each component of the cell membrane to its description.
-component of plasma membrane that gives fluid characteristic to membranes

Accepted Answer

A)  embedded protein
B)  cholesterol
C)  membrane surface receptor
D)  phospholipid bilayerE) C) and D)
F) B) and C)

Exam 3: Structure and Function of Cells

The molecule acetyl CoA is completely broken down into carbon dioxide, hydrogen ions, and electrons in which one of the following processes?

Correct Answer
verified

Water moves via osmosis from an area with a lower solute concentration to an area with a higher solute concentration.

Correct Answer
verified

Correct Answer
verified

To increase the surface area of some cells, the plasma membrane possesses

Correct Answer
verified

All eukaryotic cells have a plasma membrane composed of a phospholipid bilayer.

Correct Answer
verified

Which one of the following is TRUE regarding cellular respiration?

Correct Answer
verified
B

Glycolysis can occur in the presence or absence of oxygen.

Correct Answer
verified

Intracellular structures surrounded by membranes, such as mitochondria and lysosomes, are referred to as ________.

Correct Answer
verified

The plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass; thus it is said to be ________.

Correct Answer
verified
selectivel...
View Answer

During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished through the participation of which one of the following organelles?

Correct Answer
verified
A

Which one of the following organelles is involved in the production of proteins that are exported from the cell?

Correct Answer
verified

Glucose is the most commonly used energy source by human cells because

Correct Answer
verified

Muscle cells require more energy than most other cells in order to function. Therefore, muscle cells would be expected to have more and than most other animal cells.

Correct Answer
verified

Which type of microscope provides tremendous (100,000-fold) magnification and enables viewing of fine internal structural details of cells?

Correct Answer
verified

If a red blood cell, or any other type of human cell, is placed in a hypertonic solution, water enters the cell, causing it to swell and eventually burst.

Correct Answer
verified

Most eukaryotic cells have a membrane-bound ________ that contains the genetic material.

Correct Answer
verified

In experiments with HeLa cells, you discover that a new chemical agent blocks cell growth by inhibiting protein synthesis. Describe where in the cell the drug is most likely having an effect.

Correct Answer
verified
Since new proteins are produced on ribosomes, the agent is most likely acting where these organelles are located. Ribosomes predominantly occur as free floating in the cytoplasm and on the surface of rough endoplasmic reticulum.

Active transport is like facilitated diffusion in that both processes

Correct Answer
verified

There are different types of microscopes that can be used to provide information about cells. Which type of microscope is used for the observation of living cells?

Correct Answer
verified

Match each component of the cell membrane to its description. -component of plasma membrane that gives fluid characteristic to membranes

Correct Answer
verified

Exam 3: Structure and Function of Cells

The molecule acetyl CoA is completely broken down into carbon dioxide, hydrogen ions, and electrons in which one of the following processes?

Correct AnswerverifiedShow Answer

Water moves via osmosis from an area with a lower solute concentration to an area with a higher solute concentration.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

To increase the surface area of some cells, the plasma membrane possesses

Correct AnswerverifiedShow Answer

All eukaryotic cells have a plasma membrane composed of a phospholipid bilayer.

Correct AnswerverifiedShow Answer

Which one of the following is TRUE regarding cellular respiration?

Correct AnswerverifiedB

Glycolysis can occur in the presence or absence of oxygen.

Correct AnswerverifiedShow Answer

Intracellular structures surrounded by membranes, such as mitochondria and lysosomes, are referred to as ________.

Correct AnswerverifiedShow Answer

The plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass; thus it is said to be ________.

Correct Answerverifiedselectivel...View AnswerShow Answer

During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished through the participation of which one of the following organelles?

Correct AnswerverifiedA

Which one of the following organelles is involved in the production of proteins that are exported from the cell?

Correct AnswerverifiedShow Answer

Glucose is the most commonly used energy source by human cells because

Correct AnswerverifiedShow Answer

Muscle cells require more energy than most other cells in order to function. Therefore, muscle cells would be expected to have more ________ and ________ than most other animal cells.

Correct AnswerverifiedShow Answer

Which type of microscope provides tremendous (100,000-fold) magnification and enables viewing of fine internal structural details of cells?

Correct AnswerverifiedShow Answer

If a red blood cell, or any other type of human cell, is placed in a hypertonic solution, water enters the cell, causing it to swell and eventually burst.

Correct AnswerverifiedShow Answer

Most eukaryotic cells have a membrane-bound ________ that contains the genetic material.

Correct AnswerverifiedShow Answer

In experiments with HeLa cells, you discover that a new chemical agent blocks cell growth by inhibiting protein synthesis. Describe where in the cell the drug is most likely having an effect.

Correct AnswerverifiedSince new proteins are produced on ribosomes, the agent is most likely acting where these organelles are located. Ribosomes predominantly occur as free floating in the cytoplasm and on the surface of rough endoplasmic reticulum.

Active transport is like facilitated diffusion in that both processes

Correct AnswerverifiedShow Answer

There are different types of microscopes that can be used to provide information about cells. Which type of microscope is used for the observation of living cells?

Correct AnswerverifiedShow Answer

Match each component of the cell membrane to its description. -component of plasma membrane that gives fluid characteristic to membranes

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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Correct Answer
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Correct Answer
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selectivel...
View Answer

Correct Answer
verified
A

Correct Answer
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Correct Answer
verified

Muscle cells require more energy than most other cells in order to function. Therefore, muscle cells would be expected to have more and than most other animal cells.

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified
Since new proteins are produced on ribosomes, the agent is most likely acting where these organelles are located. Ribosomes predominantly occur as free floating in the cytoplasm and on the surface of rough endoplasmic reticulum.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified