Question 1

Channel protein gates respond to all these stimuli except __________.

Accepted Answer

A)  chemical messengers
B)  ligands
C)  changes in electrical potential (voltage)  across the plasma membrane
D)  physical deformation of the plasma membrane
E)  water in the extracellular fluidF) A) and B)
G) A) and C)

Question 2

In most cells,the nucleus is the largest organelle.

Accepted Answer

A) True 
 B)False

Question 3

Microvilli and cilia differ in their function,but have the same internal structure.

Accepted Answer

A) True 
 B)False

Question 4

The flat-shaped cells found covering the skin are _________ in shape.

Accepted Answer

A)  cuboidal
B)  columnar
C)  cylindrical
D)  squamous
E)  sphericalF) B) and C)
G) B) and E)

Question 5

A protein that is bound to a carbohydrate is called a _________.

Accepted Answer

A)  phosphoprotein
B)  proteocalyx
C)  glycoprotein
D)  lipoprotein
E)  phospholipidF) A) and B)
G) B) and E)

Question 6

In the glycocalyx,__________ act like identification tags that enable the body to distinguish its own cells from foreign and diseased cells.

Accepted Answer

A)  glycoproteins
B)  lipoproteins
C)  cholesterol molecules
D)  phospholipids
E)  cell-adhesion moleculesF) A) and B)
G) A) and C)

Question 7

Although the transmission electron microscope (TEM) can magnify much more than a light microscope,even at identical magnifications the TEM has the advantage of __________.

Accepted Answer

A)  being able to produce photographs of the specimen
B)  being able to work in a vacuum
C)  being able to show individual molecules
D)  producing higher resolution
E)  working better with thinner tissue specimensF) A) and D)
G) B) and D)

Question 8

The most important advantage of the transmission electron microscope (TEM)over the light microscope (LM)is its higher resolution.

Accepted Answer

A) True 
 B)False

Question 9

The fuzzy coat of carbohydrates on the outer surface of the plasma membrane that functions in cell identification is called the __________.

Accepted Answer

A)  brush border
B)  glycocalyx
C)  cholesterol coat
D)  phospholipid bilayer
E)  cell-adhesion moleculeF) B) and D)
G) A) and D)

Question 10

Which of the following is not a function of the Na+-K+ pump?

Accepted Answer

A)  Heat production
B)  Transport of Na+ into the cell and K+ out of the cell
C)  Secondary active transport
D)  Regulation of cell volume
E)  Maintenance of membrane potentialF) A) and B)
G) B) and D)

Question 11

Cells were first discovered when a scientist named __________ observed cell walls in cork under a microscope.

Accepted Answer

A)  Robert Hooke
B)  Theodor Schwann
C)  Louis Pastuer
D)  Galen
E)  GalileoF) A) and B)
G) A) and C)

Exam 3: Cellular Form and Function

The fuzzy coat of carbohydrates on the outer surface of the plasma membrane that functions in cell identification is called the __________.

Correct Answer
verified

In most cells,the nucleus is the largest organelle.

Correct Answer
verified

In the glycocalyx,__________ act like identification tags that enable the body to distinguish its own cells from foreign and diseased cells.

Correct Answer
verified

Cells were first discovered when a scientist named __________ observed cell walls in cork under a microscope.

Correct Answer
verified

The most important advantage of the transmission electron microscope (TEM)over the light microscope (LM)is its higher resolution.

Correct Answer
verified

Microvilli and cilia differ in their function,but have the same internal structure.

Correct Answer
verified

Channel protein gates respond to all these stimuli except __________.

Correct Answer
verified

Which of the following is not a function of the Na⁺-K⁺ pump?

Correct Answer
verified

A protein that is bound to a carbohydrate is called a _________.

Correct Answer
verified

The flat-shaped cells found covering the skin are _________ in shape.

Correct Answer
verified

Although the transmission electron microscope (TEM) can magnify much more than a light microscope,even at identical magnifications the TEM has the advantage of __________.

Correct Answer
verified

Exam 3: Cellular Form and Function

The fuzzy coat of carbohydrates on the outer surface of the plasma membrane that functions in cell identification is called the __________.

Correct AnswerverifiedShow Answer

In most cells,the nucleus is the largest organelle.

Correct AnswerverifiedShow Answer

In the glycocalyx,__________ act like identification tags that enable the body to distinguish its own cells from foreign and diseased cells.

Correct AnswerverifiedShow Answer

Cells were first discovered when a scientist named __________ observed cell walls in cork under a microscope.

Correct AnswerverifiedShow Answer

The most important advantage of the transmission electron microscope (TEM)over the light microscope (LM)is its higher resolution.

Correct AnswerverifiedShow Answer

Microvilli and cilia differ in their function,but have the same internal structure.

Correct AnswerverifiedShow Answer

Channel protein gates respond to all these stimuli except __________.

Correct AnswerverifiedShow Answer

Which of the following is not a function of the Na+-K+ pump?

Correct AnswerverifiedShow Answer

A protein that is bound to a carbohydrate is called a _________.

Correct AnswerverifiedShow Answer

The flat-shaped cells found covering the skin are _________ in shape.

Correct AnswerverifiedShow Answer

Although the transmission electron microscope (TEM) can magnify much more than a light microscope,even at identical magnifications the TEM has the advantage of __________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following is not a function of the Na⁺-K⁺ pump?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified