Question 1

The largest internal cellular structure is known as the ________ and is the cell's control center.

Accepted Answer

A)   Golgi apparatus
B)   nucleus
C)   lysosome
D)   cytosol
E)   smooth ERF) C) and D)
G) A) and E)

Question 2

________ ribosomes are responsible for the synthesis of proteins that remain within the cell.

Accepted Answer

The answer of ________ ribosomes are responsible for the synthesis...

Question 3

When a cell surrounds a large particle with pseudopodia and then engulfs it, the process is called

Accepted Answer

A)   exocytosis.
B)   phagocytosis.
C)   pinocytosis.
D)   secondary active transport.
E)   receptor-mediated endopinocytosis.F) B) and E)
G) A) and B)

Question 4

Cytokinesis usually begins before ________ ends.

Accepted Answer

A)   prophase
B)   interphase
C)   metaphase
D)   anaphase
E)   telophaseF) A) and D)
G) B) and D)

Question 5

The process of programmed cell death ("cell suicide") is known as ________.

Accepted Answer

The answer of The process of programmed cell death ("cell...

Question 6

Consider a cell with a total internal solute concentration of 0.9%. Placing the cell in which bath solution would result in creation of the greatest osmotic pressure in the cell?

Accepted Answer

A)   0.5% NaCl
B)   0.9% NaCl
C)   1.2% NaClD) All of the above
E) B) and C)

Question 7

DNA is organized into discrete units called ________ that provide information for the production of specific proteins.

Accepted Answer

The answer of DNA is organized into discrete units called...

Question 8

Some of the largest spherical cells in the human body (for example, oocytes)  have a diameter of approximately

Accepted Answer

A)   1 nm.
B)   1 cm.
C)   1 μm.
D)   100 nm.
E)   100 μm.F) None of the above
G) All of the above

Question 9

Proteins that assist the movement of a substance across the membrane are called ________ proteins.

Accepted Answer

A)   catalytic
B)   cytoskeleton
C)   transport
D)   identification
E)   intercellular attachmentF) A) and D)
G) C) and D)

Question 10

Some membrane proteins are not embedded within the lipid bilayer but are instead anchored loosely to either the inner or the outer surface. Such proteins are called ________ proteins.

Accepted Answer

The answer of Some membrane proteins are not embedded within...

Question 11

Pinocytosis is the process in which the cell

Accepted Answer

A)   internalizes ("drinks")  a droplet of interstitial fluid.
B)   internalizes ("eats")  a large solid particle.
C)   splits ("pinches")  off a small part of itself to secrete into the extracellular space.
D)   pumps small solutes against their concentration gradient and out of the cell.E) None of the above
F) B) and C)

Question 12

Among the functions of the plasma membrane are to form specialized intercellular connections, provide for selective permeability, and facilitate the recognition and response to molecular signals.

Accepted Answer

A) True 
 B)False

Question 13

The building blocks that form the DNA double helix are called

Accepted Answer

A)   nucleoli.
B)   nucleotides.
C)   steroid bases.
D)   nitrogenous acids.
E)   nuclear pores.F) B) and E)
G) A) and E)

Question 14

The most abundant lipid of the membrane consists of a head and two tails. This type of lipid is

Accepted Answer

A)   a phospholipid.
B)   cholesterol.
C)   glycolipid.
D)   glycoprotein.
E)   a steroid.F) A) and D)
G) A) and C)

Question 15

The sodium-potassium pump moves

Accepted Answer

A)   sodium and potassium into the cell.
B)   sodium and potassium out of the cell.
C)   sodium into the cell and potassium out of the cell.
D)   sodium out of the cell and potassium into the cell.E) B) and C)
F) A) and C)

Question 16

The coding regions of DNA that are both transcribed and translated are the ________.

Accepted Answer

The answer of The coding regions of DNA that are...

Question 17

Peroxisomes are membrane-bound organelles.

Accepted Answer

A) True 
 B)False

Question 18

The duplicated chromosome that appears during prophase consists of two genetically identical structures called sister ________.

Accepted Answer

The answer of The duplicated chromosome that appears during prophase...

Question 19

During transcription

Accepted Answer

A)   an RNA molecule is formed as a DNA sequence is read.
B)   a protein is formed as a DNA sequence is read.
C)   a DNA sequence is formed as a RNA sequence is read.
D)   an amino acid is transferred to a ribosome as a DNA sequence is read.
E)   a protein is formed as a RNA sequence is read.F) A) and B)
G) A) and E)

Question 20

Explain interphase. Name the three subphases of interphase and describe what occurs in each.

Accepted Answer

Interphase is the longest phase of the c...

Exam 4: Biology of the Cell

The sodium-potassium pump moves

Correct AnswerverifiedShow Answer

The process of programmed cell death ("cell suicide") is known as ________.

Correct AnswerverifiedShow Answer

Consider a cell with a total internal solute concentration of 0.9%. Placing the cell in which bath solution would result in creation of the greatest osmotic pressure in the cell?

Correct AnswerverifiedShow Answer

Among the functions of the plasma membrane are to form specialized intercellular connections, provide for selective permeability, and facilitate the recognition and response to molecular signals.

Correct AnswerverifiedShow Answer

Some of the largest spherical cells in the human body (for example, oocytes) have a diameter of approximately

Correct AnswerverifiedShow Answer

Proteins that assist the movement of a substance across the membrane are called ________ proteins.

Correct AnswerverifiedShow Answer

The largest internal cellular structure is known as the ________ and is the cell's control center.

Correct AnswerverifiedShow Answer

The coding regions of DNA that are both transcribed and translated are the ________.

Correct AnswerverifiedShow Answer

When a cell surrounds a large particle with pseudopodia and then engulfs it, the process is called

Correct AnswerverifiedShow Answer

The most abundant lipid of the membrane consists of a head and two tails. This type of lipid is

Correct AnswerverifiedShow Answer

________ ribosomes are responsible for the synthesis of proteins that remain within the cell.

Correct AnswerverifiedShow Answer

DNA is organized into discrete units called ________ that provide information for the production of specific proteins.

Correct AnswerverifiedShow Answer

During transcription

Correct AnswerverifiedShow Answer

The duplicated chromosome that appears during prophase consists of two genetically identical structures called sister ________.

Correct AnswerverifiedShow Answer

Peroxisomes are membrane-bound organelles.

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Pinocytosis is the process in which the cell

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Cytokinesis usually begins before ________ ends.

Correct AnswerverifiedShow Answer

Some membrane proteins are not embedded within the lipid bilayer but are instead anchored loosely to either the inner or the outer surface. Such proteins are called ________ proteins.

Correct AnswerverifiedShow Answer

Explain interphase. Name the three subphases of interphase and describe what occurs in each.

Correct AnswerAnswered by ExamLex AIInterphase is the longest phase of the c...View AnswerShow Answer

The building blocks that form the DNA double helix are called

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Interphase is the longest phase of the c...
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