Question 1

Most types of human cells divide how many times?

Accepted Answer

A)   5 - 10 times
B)   40 - 60 times
C)   80 - 100 times
D)   more than 100 timesE) C) and D)
F) B) and D)

Question 2

Cells that are long and have threadlike extensions that conduct electrical impulses from one part of the body to another are most likely to be ________.

Accepted Answer

A)   epithelial cells.
B)   nerve cells.
C)   muscle cells.
D)   connective tissue cells.E) B) and D)
F) All of the above B

Question 3

A 5 percent solution of glucose is isotonic to human cells.

Accepted Answer

A) True 
 B)False

Question 4

Interphase is a "time out" in the cell cycle,when the cell rests its synthetic activities.

Accepted Answer

A) True 
 B)False

Question 5

During the metaphase of mitosis,chromosomes line up between the two centrioles.

Accepted Answer

A) True 
 B)False

Question 6

An adult human body has about

Accepted Answer

A)   200 million cells.
B)   750 million cells.
C)   1 trillion cells.
D)   75 trillion cells.
E)   1 quadrillion cells.F) A) and E)
G) A) and B)

Question 7

Exchange of oxygen and carbon dioxide in the lungs is by diffusion.

Accepted Answer

A) True 
 B)False

Question 8

Ribosomes are composed largely of protein and

Accepted Answer

A)   RNA.
B)   DNA.
C)   lipid.
D)   carbohydrate.
E)   water.F) C) and E)
G) A) and D) A

Question 9

Centromeres pull apart during

Accepted Answer

A)   anaphase.
B)   prophase.
C)   metaphase.
D)   telophase.
E)   apoptosis.F) None of the above
G) B) and D)

Question 10

The series of changes that a cell undergoes from when it forms to when it divides is called

Accepted Answer

A)   mitosis.
B)   interphase.
C)   apoptosis.
D)   the cell cycle.
E)   cell death.F) A) and E)
G) D) and E)

Question 11

Most cells contain only the parts of DNA necessary to perform the cell's specific functions.

Accepted Answer

A) True 
 B)False

Question 12

A structure that transports secretions from the rough ER to the Golgi apparatus is a vesicle.

Accepted Answer

A) True 
 B)False

Question 13

The process by which glucose can pass through a membrane using special carrier proteins is called

Accepted Answer

A)   facilitated transport.
B)   osmosis.
C)   active transport.
D)   endocytosis.
E)   diffusion.F) A) and B)
G) C) and D) A

Question 14

Cells that retain the ability to divide repeatedly without specializing are called ________ cells.

Accepted Answer

The answer of Cells that retain the ability to divide...

Question 15

Which of the following is NOT a characteristic step in a cell undergoing apoptosis?

Accepted Answer

A)   The cell rounds up and bulges.
B)   The cell retains the ability to divide continuously.
C)   Chromatin condenses and enzymes cut the chromosomes into equal-sized pieces.
D)   The cell shatters into membrane enclosed fragments.
E)   The cell dies.F) All of the above
G) C) and D)

Question 16

A neuron and an astrocyte can descend from the same progenitor cell.

Accepted Answer

A) True 
 B)False

Question 17

Attached to the surfaces of rough endoplasmic reticulum are

Accepted Answer

A)   nucleoli.
B)   ribosomes.
C)   chromosomes.
D)   lysosomes.
E)   cell membranes.F) D) and E)
G) A) and B)

Question 18

Which of the following describes a cleavage furrow?

Accepted Answer

A)   Cellular constriction that occurs during interphase
B)   Cellular constriction that occurs towards the end of mitosis
C)   Cellular constriction that forms four cells from one
D)   A partitioning of the nucleus
E)   Cellular constriction that forms as mitosis beginsF) A) and D)
G) B) and D)

Question 19

If a 5% dextrose solution is isotonic to blood,a 2% dextrose solution would be __________.

Accepted Answer

The answer of If a 5% dextrose solution is isotonic...

Question 20

The inner liquid portion of a cell's contents is called ________.

Accepted Answer

A)   cytoplasm
B)   cytosol
C)   plasma
D)   interstitial fluidE) B) and C)
F) None of the above

Exam 3: Cells

Most types of human cells divide how many times?

Correct AnswerverifiedShow Answer

Cells that are long and have threadlike extensions that conduct electrical impulses from one part of the body to another are most likely to be ________.

Correct AnswerverifiedB

A 5 percent solution of glucose is isotonic to human cells.

Correct AnswerverifiedShow Answer

Interphase is a "time out" in the cell cycle,when the cell rests its synthetic activities.

Correct AnswerverifiedShow Answer

During the metaphase of mitosis,chromosomes line up between the two centrioles.

Correct AnswerverifiedShow Answer

An adult human body has about

Correct AnswerverifiedShow Answer

Exchange of oxygen and carbon dioxide in the lungs is by diffusion.

Correct AnswerverifiedShow Answer

Ribosomes are composed largely of protein and

Correct AnswerverifiedA

Centromeres pull apart during

Correct AnswerverifiedShow Answer

The series of changes that a cell undergoes from when it forms to when it divides is called

Correct AnswerverifiedShow Answer

Most cells contain only the parts of DNA necessary to perform the cell's specific functions.

Correct AnswerverifiedShow Answer

A structure that transports secretions from the rough ER to the Golgi apparatus is a vesicle.

Correct AnswerverifiedShow Answer

The process by which glucose can pass through a membrane using special carrier proteins is called

Correct AnswerverifiedA

Cells that retain the ability to divide repeatedly without specializing are called ________ cells.

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic step in a cell undergoing apoptosis?

Correct AnswerverifiedShow Answer

A neuron and an astrocyte can descend from the same progenitor cell.

Correct AnswerverifiedShow Answer

Attached to the surfaces of rough endoplasmic reticulum are

Correct AnswerverifiedShow Answer

Which of the following describes a cleavage furrow?

Correct AnswerverifiedShow Answer

If a 5% dextrose solution is isotonic to blood,a 2% dextrose solution would be __________.

Correct AnswerverifiedShow Answer

The inner liquid portion of a cell's contents is called ________.

Correct AnswerverifiedShow Answer

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A

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