Question 1

The plasma membrane can be described as a double layer of phospholipid molecules.

Accepted Answer

A) True 
 B)False

Question 2

Lysosomes are vesicles that have been pinched off from the smooth endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 3

The identification function of the cell membrane is carried out by the:

Accepted Answer

A)  cholesterol molecules.
B)  phospholipid molecules.
C)  glycoprotein molecules.
D)  channel proteins.E) C) and D)
F) All of the above

Question 4

How do vesicles move from place to place in an organized way within the cell?

Accepted Answer

A)  Molecular motors pull them along the microtubules and microfilaments of the cytoskeleton
B)  Vaults pull them along the microtubules and microfilaments of the cytoskeleton.
C)  Rafts pull them along the microtubules and microfilaments of the cytoskeleton.
D)  Microvilli and flagella move them along the microtubules and microfilaments of the cytoskeleton.E) A) and C)
F) A) and B)

Question 5

Joanne, a 75-year-old patient, has an active peptic ulcer. Describe the cellular organelles involved in synthesizing digestive enzymes for the stomach.

Accepted Answer

The cellular organelles involved in synt...

Question 6

The watery fluid in the cell is called cytosol.

Accepted Answer

A) True 
 B)False

Question 7

The enzyme catalase is an important chemical in the functioning of the:

Accepted Answer

A)  mitochondria.
B)  proteasomes.
C)  peroxisomes.
D)  lysosomes.E) All of the above
F) C) and D)

Question 8

Match each term to the phrase that describes it best.
-Tiny cylinders that can be found near the boundaries of the centrosomes

Accepted Answer

A)  Microtubules
B)  Intermediate filaments
C)  Microfilaments
D)  Centrosomes
E)  CiliaF) FlagellaG) MicrovilliH) DesmosomesI) Tight junctionsJ) Gap junctionsK) Primary ciliumL) CentriolesM) A) and I)
N) C) and D)

Question 9

DNA is a major constituent of which cell organelle?

Accepted Answer

A)  Lysosome
B)  Ribosome
C)  Chromosome
D)  NucleusE) A) and B)
F) None of the above

Question 10

The membranous structure containing substances that protect the cell from harm are:

Accepted Answer

A)  ribosomes.
B)  lysosomes.
C)  peroxisomes.
D)  both B and C.E) A) and B)
F) None of the above

Question 11

Smooth endoplasmic reticulum is the organelle that supplies membrane material for use throughout the cell.

Accepted Answer

A) True 
 B)False

Question 12

In the cell membrane, the hydrophilic part of the phospholipid molecule:

Accepted Answer

A)  faces the exterior of the cell.
B)  faces the interior of the cell.
C)  is in the center of the phospholipid bilayer.
D)  both A and B.E) All of the above
F) B) and D)

Question 13

The protein-processing units of the Golgi apparatus are called cisterna.

Accepted Answer

A) True 
 B)False

Question 14

The name nucleus comes from the Greek word for color.

Accepted Answer

A) True 
 B)False

Question 15

Granules or threads within the nucleus are called:

Accepted Answer

A)  microfilaments.
B)  chromatin.
C)  nucleotides.
D)  microtubules.E) All of the above
F) None of the above

Question 16

The structure in cells that is associated with the enzymatic breakdown (digestion)  of foreign material is the:

Accepted Answer

A)  lysosome.
B)  Golgi apparatus.
C)  ribosome.
D)  centriole.E) B) and C)
F) A) and D)

Question 17

Which of the following organelles is considered a nonmembranous organelle?

Accepted Answer

A)  Golgi apparatus
B)  Ribosome
C)  Mitochondria
D)  Both A and BE) A) and B)
F) B) and C)

Question 18

Explain the process by which a protein is processed in preparation for being released by the cell, starting at the ribosome and ending at the cell membrane.

Accepted Answer

The process of protein processing and re...

Question 19

Match each cell structure with its corresponding description or function.
-Tubular network in the cell with no ribosomes that synthesize lipids and carbohydrates

Accepted Answer

A)  Plasma membrane
B)  Smooth endoplasmic reticulum
C)  Golgi apparatus
D)  Nucleolus
E)  NucleusF) RibosomeG) LysosomeH) MitochondriaI) PeroxisomesJ) Rough endoplasmic reticulumK) ProteasomesL) C) and J)
M) A) and B)

Question 20

The nucleus is the only structure in the cell that contains DNA.

Accepted Answer

A) True 
 B)False

Exam 5: Cell Structure

Granules or threads within the nucleus are called:

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The nucleus is the only structure in the cell that contains DNA.

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Joanne, a 75-year-old patient, has an active peptic ulcer. Describe the cellular organelles involved in synthesizing digestive enzymes for the stomach.

Correct AnswerAnswered by ExamLex AIThe cellular organelles involved in synt...View AnswerShow Answer

Explain the process by which a protein is processed in preparation for being released by the cell, starting at the ribosome and ending at the cell membrane.

Correct AnswerAnswered by ExamLex AIThe process of protein processing and re...View AnswerShow Answer

Which of the following organelles is considered a nonmembranous organelle?

Correct AnswerverifiedShow Answer

The membranous structure containing substances that protect the cell from harm are:

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The name nucleus comes from the Greek word for color.

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The protein-processing units of the Golgi apparatus are called cisterna.

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The enzyme catalase is an important chemical in the functioning of the:

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The plasma membrane can be described as a double layer of phospholipid molecules.

Correct AnswerverifiedShow Answer

In the cell membrane, the hydrophilic part of the phospholipid molecule:

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Match each term to the phrase that describes it best. -Tiny cylinders that can be found near the boundaries of the centrosomes

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DNA is a major constituent of which cell organelle?

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The identification function of the cell membrane is carried out by the:

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Lysosomes are vesicles that have been pinched off from the smooth endoplasmic reticulum.

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Smooth endoplasmic reticulum is the organelle that supplies membrane material for use throughout the cell.

Correct AnswerverifiedShow Answer

The watery fluid in the cell is called cytosol.

Correct AnswerverifiedShow Answer

The structure in cells that is associated with the enzymatic breakdown (digestion) of foreign material is the:

Correct AnswerverifiedShow Answer

Match each cell structure with its corresponding description or function. -Tubular network in the cell with no ribosomes that synthesize lipids and carbohydrates

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How do vesicles move from place to place in an organized way within the cell?

Correct AnswerverifiedShow Answer

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The cellular organelles involved in synt...
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The process of protein processing and re...
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