Question 1

Match the following:
-Nuclear membrane and nucleolus disintegrate.

Accepted Answer

A)  Anaphase
B)  Late prophase
C)  Telophase
D)  Early prophase
E)  MetaphaseF) None of the above
G) All of the above

Question 2

Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime.This requires a considerable amount of energy production by the cells.You would expect to see a relatively high amount of which organelle in these cells?

Accepted Answer

A)   cytoskeleton
B)   smooth endoplasmic reticulum
C)   mitochondria
D)   lysosomesE) A) and D)
F) A) and C)

Question 3

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

Accepted Answer

A)   stereocilia
B)   flagella
C)   primary cilia
D)   microvilliE) A) and C)
F) All of the above

Question 4

A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient.The ions move through the transport protein,and into the cell.These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well.This transport protein would best be described as ________.

Accepted Answer

A)   a carrier protein
B)   a symporter
C)   a pump
D)   a channelE) A) and B)
F) C) and D)

Question 5

Match the following:
-Chromosomes uncoil to form chromatin.

Accepted Answer

A)  Anaphase
B)  Late prophase
C)  Telophase
D)  Early prophase
E)  MetaphaseF) B) and E)
G) A) and D)

Question 6

A gene can best be defined as ________.

Accepted Answer

A)   a segment of DNA that carries the instructions for one polypeptide chain
B)   a three-base triplet that specifies a particular amino acid
C)   noncoding segments of DNA up to 100,000 nucleotides long
D)   an RNA messenger that codes for a particular polypeptideE) B) and C)
F) A) and B)

Question 7

The speed of individual particle diffusion is influenced by temperature and particle size,not by concentration.

Accepted Answer

A) True 
 B)False

Question 8

A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient.The ions move through the transport protein,and into the cell.These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well.Which of the following would stop transport of glucose through this transport protein?

Accepted Answer

A)   Increasing the number of digestive enzymes in the digestive tract.
B)   Stopping the activity of the sodium potassium pump.
C)   Increasing the concentration of glucose outside of the cell.
D)   Lowering the energy of activation.E) A) and C)
F) None of the above

Question 9

What are cell exons and introns?

Accepted Answer

Exons are amino acid-specifying informat...

Question 10

Microfilaments are thin strands of the contractile protein composed of myosin.

Accepted Answer

A) True 
 B)False

Question 11

Figure 3.2
Using Figure 3.2, match the following:
-Peripheral protein.

Accepted Answer

A)  A
B)  E
C)  C
D)  D
E)  BF) A) and D)
G) C) and D)

Question 12

Which of the following is a function of a plasma membrane protein?

Accepted Answer

A)   molecular transport through the membrane
B)   forms a lipid bilayer
C)   circulating antibody
D)   oxygen transportE) None of the above
F) C) and D)

Question 13

Other than the nucleus,which organelle has its own DNA?

Accepted Answer

The answer of Other than the nucleus,which organelle has its...

Question 14

The functions of centrioles include ________.

Accepted Answer

A)   producing ATP
B)   serving as the site for ribosomal RNA synthesis
C)   providing a whiplike beating motion to move substances along cell surfaces
D)   organizing the mitotic spindle in cell divisionE) All of the above
F) A) and D)

Question 15

Which of the following statements is correct regarding RNA?

Accepted Answer

A)   rRNA is always attached to the rough ER.
B)   If the base sequence of DNA is ATTGCA, the messenger RNA template will be UCCAGU.
C)   There is exactly one specific type of mRNA for each amino acid.
D)   Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis.E) All of the above
F) A) and B)

Question 16

Osmosis is the passive movement of water but it follows almost completely opposite laws of physics when compared to the diffusion of ions or other small particles.

Accepted Answer

A) True 
 B)False

Question 17

Figure 3.1
Using Figure 3.1, match the following:
-Site of enzymatic breakdown of phagocytized material.

Accepted Answer

A)  C
B)  E
C)  D
D)  A
E)  BF) None of the above
G) A) and B)

Question 18

Match the following:
-Chromosomal centromeres split and chromosomes migrate to opposite ends of the cell.

Accepted Answer

A)  Anaphase
B)  Late prophase
C)  Telophase
D)  Early prophase
E)  MetaphaseF) A) and B)
G) D) and E)

Question 19

Concentration differences cause ionic imbalances that polarize the cell membrane,and active transport processes.

Accepted Answer

A) True 
 B)False

Question 20

Match the following:
-Chromosomes align on the spindle equator.

Accepted Answer

A)  Anaphase
B)  Late prophase
C)  Telophase
D)  Early prophase
E)  MetaphaseF) B) and E)
G) A) and C)

Exam 3: Cells: the Living Units

Match the following: -Nuclear membrane and nucleolus disintegrate.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

Correct Answer
verified

Which of the following statements is correct regarding RNA?

Correct Answer
verified

Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime.This requires a considerable amount of energy production by the cells.You would expect to see a relatively high amount of which organelle in these cells?

Correct Answer
verified

The speed of individual particle diffusion is influenced by temperature and particle size,not by concentration.

Correct Answer
verified

Concentration differences cause ionic imbalances that polarize the cell membrane,and active transport processes.

Correct Answer
verified

Match the following: -Chromosomes align on the spindle equator.

Correct Answer
verified

Match the following: -Chromosomes uncoil to form chromatin.

Correct Answer
verified

Match the following: -Chromosomal centromeres split and chromosomes migrate to opposite ends of the cell.

Correct Answer
verified

What are cell exons and introns?

Correct Answer
verified
Exons are amino acid-specifying informat...
View Answer

A gene can best be defined as ________.

Correct Answer
verified

Other than the nucleus,which organelle has its own DNA?

Correct Answer
verified

Figure 3.1 Using Figure 3.1, match the following: -Site of enzymatic breakdown of phagocytized material.

Correct Answer
verified

Which of the following is a function of a plasma membrane protein?

Correct Answer
verified

Microfilaments are thin strands of the contractile protein composed of myosin.

Correct Answer
verified

Figure 3.2 Using Figure 3.2, match the following: -Peripheral protein.

Correct Answer
verified

The functions of centrioles include ________.

Correct Answer
verified

Osmosis is the passive movement of water but it follows almost completely opposite laws of physics when compared to the diffusion of ions or other small particles.

Correct Answer
verified

Exam 3: Cells: the Living Units

Match the following: -Nuclear membrane and nucleolus disintegrate.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

Correct AnswerverifiedShow Answer

Which of the following statements is correct regarding RNA?

Correct AnswerverifiedShow Answer

Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime.This requires a considerable amount of energy production by the cells.You would expect to see a relatively high amount of which organelle in these cells?

Correct AnswerverifiedShow Answer

The speed of individual particle diffusion is influenced by temperature and particle size,not by concentration.

Correct AnswerverifiedShow Answer

Concentration differences cause ionic imbalances that polarize the cell membrane,and active transport processes.

Correct AnswerverifiedShow Answer

Match the following: -Chromosomes align on the spindle equator.

Correct AnswerverifiedShow Answer

Match the following: -Chromosomes uncoil to form chromatin.

Correct AnswerverifiedShow Answer

Match the following: -Chromosomal centromeres split and chromosomes migrate to opposite ends of the cell.

Correct AnswerverifiedShow Answer

What are cell exons and introns?

Correct AnswerverifiedExons are amino acid-specifying informat...View AnswerShow Answer

A gene can best be defined as ________.

Correct AnswerverifiedShow Answer

Other than the nucleus,which organelle has its own DNA?

Correct AnswerverifiedShow Answer

Figure 3.1 Using Figure 3.1, match the following: -Site of enzymatic breakdown of phagocytized material.

Correct AnswerverifiedShow Answer

Which of the following is a function of a plasma membrane protein?

Correct AnswerverifiedShow Answer

Microfilaments are thin strands of the contractile protein composed of myosin.

Correct AnswerverifiedShow Answer

Figure 3.2 Using Figure 3.2, match the following: -Peripheral protein.

Correct AnswerverifiedShow Answer

The functions of centrioles include ________.

Correct AnswerverifiedShow Answer

Osmosis is the passive movement of water but it follows almost completely opposite laws of physics when compared to the diffusion of ions or other small particles.

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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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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Correct Answer
verified
Exons are amino acid-specifying informat...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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