Question 1

In plants, chloroplasts are necessary for

Accepted Answer

A)   respiration.
B)   secretion.
C)   photosynthesis.
D)   storage.
E)   cell movement.F) C) and D)
G) B) and D)

Question 2

Which of the following is a function of the cytoskeleton?

Accepted Answer

A)   digest worn out cell parts
B)   anchors organelles in place within a cell
C)   directs the synthesis of proteins
D)   stores calcium in muscle tissue
E)   prepares proteins for export out of the cellF) All of the above
G) A) and E)

Question 3

If the chloroplast is the result of endosymbiosis, which membrane of the chloroplast represents the plasma membrane of the original prokaryote?

Accepted Answer

A)   the outer chloroplast membrane
B)   the inner chloroplast membrane
C)   crista
D)   thylakoid membrane
E)   granumF) A) and E)
G) D) and E)

Question 4

In a person with a disease in which the mitochondria do not produce enough energy for the cell, which organs would be the most severely affected?

Accepted Answer

A)   muscles
B)   liver
C)   skin
D)   stomach
E)   ovaries/testesF) B) and D)
G) C) and E)

Question 5

Circulating red blood cells in your body do not contain a nucleus and other organelles. Are these cells living?

Accepted Answer

A)   Yes, because they are actively metabolizing and once contained organelles.
B)   Yes, because they are capable of moving throughout the body in the circulation.
C)   No, because they do not contain a nucleus, they cannot be living.
D)   No, because red blood cells do not actively metabolize.
E)   No, because they are now only part of a once living cell.F) B) and D)
G) None of the above

Question 6

In some bacteria, the outermost layer is a gelatinous sheath known as

Accepted Answer

A)   the nucleus.
B)   the capsule.
C)   the cell wall.
D)   the cell membrane.
E)   the DNA.F) A) and C)
G) None of the above

Question 7

Compare the structural differences between actin filaments, intermediate filaments, and microtubules.

Accepted Answer

Answers may vary but should include the ...

Question 8

The Golgi apparatus directs its protein products to the correct location in the cell based on

Accepted Answer

A)   the specific molecule that is added and the molecule determines the destination in or out of the cell.
B)   the DNA extending its long molecular helix to direct the protein through the Golgi apparatus and on to the final destination.
C)   vesicles that constantly shuttle back and forth from the various cell destinations and these vesicles determine which protein in the Golgi apparatus to pick up and deliver.
D)   proteins drifting away in all directions and are only used at the cell sites that need them.
E)   how long it takes the vesicle to travel from the endoplasmic reticulum to the Golgi.F) B) and C)
G) A) and B)

Question 9

Explain how the nuclear envelope of eukaryotic cells could have arisen.

Accepted Answer

The cell membrane of a prokaryotic cell ...

Question 10

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Accepted Answer

A)   Ribosomes are associated with the surface of the rough ER.
B)   Ribosomes are associated with the surface of the smooth ER.
C)   Proteins can be found in the membrane of the rough ER but not the smooth ER.
D)   The smooth ER functions in the synthesis of phospholipids.
E)   Smooth ER is continuous with rough ER.F) B) and D)
G) B) and E)

Question 11

All cells must have centrioles in order to divide via mitosis or meiosis.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following would be a function of the peroxisomes?

Accepted Answer

A)   break down carbohydrates in the liver
B)   break down red blood cells in the spleen
C)   help germinating seeds convert fatty acids into molecules that can be converted to sugars
D)   store toxic materials in the cell
E)   metabolize proteins during cellular respirationF) A) and B)
G) A) and C)

Question 13

The endosymbiotic theory argues that prokaryotic cells became some of the organelles of early eukaryotic cells. Which of the following supports this theory?

Accepted Answer

A)   Mitochondria and chloroplasts are similar to bacteria in size and structure.
B)   Mitochondria and chloroplasts have their own DNA.
C)   The DNA of mitochondria and chloroplasts is a circular loop like that of prokaryotes.
D)   The ribosomes of mitochondria and chloroplasts resemble those of prokaryotes.
E)   All the answers support the endosymbiotic theory.F) None of the above
G) B) and D)

Question 14

In a certain group of people, males are more subject to respiratory infections and are sterile. The most likely explanation for this disease is malfunctioning

Accepted Answer

A)   lysosomes.
B)   intermediate filaments.
C)   actin filaments.
D)   rough endoplasmic reticulum.
E)   cilia and flagella.F) B) and E)
G) B) and D)

Question 15

List the key similarities and differences between archaea and bacteria.

Accepted Answer

Answers will vary. Archaeal membranes ha...

Exam 3: Cell Structure and Function

Compare the structural differences between actin filaments, intermediate filaments, and microtubules.

Correct Answer
verified
Answers may vary but should include the ...
View Answer

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Correct Answer
verified

The endosymbiotic theory argues that prokaryotic cells became some of the organelles of early eukaryotic cells. Which of the following supports this theory?

Correct Answer
verified

List the key similarities and differences between archaea and bacteria.

Correct Answer
verified
Answers will vary. Archaeal membranes ha...
View Answer

In a person with a disease in which the mitochondria do not produce enough energy for the cell, which organs would be the most severely affected?

Correct Answer
verified

All cells must have centrioles in order to divide via mitosis or meiosis.

Correct Answer
verified

In some bacteria, the outermost layer is a gelatinous sheath known as

Correct Answer
verified

Which of the following is a function of the cytoskeleton?

Correct Answer
verified

If the chloroplast is the result of endosymbiosis, which membrane of the chloroplast represents the plasma membrane of the original prokaryote?

Correct Answer
verified

The Golgi apparatus directs its protein products to the correct location in the cell based on

Correct Answer
verified

In plants, chloroplasts are necessary for

Correct Answer
verified

Circulating red blood cells in your body do not contain a nucleus and other organelles. Are these cells living?

Correct Answer
verified

In a certain group of people, males are more subject to respiratory infections and are sterile. The most likely explanation for this disease is malfunctioning

Correct Answer
verified

Which of the following would be a function of the peroxisomes?

Correct Answer
verified

Explain how the nuclear envelope of eukaryotic cells could have arisen.

Correct Answer
verified
The cell membrane of a prokaryotic cell ...
View Answer

Exam 3: Cell Structure and Function

Compare the structural differences between actin filaments, intermediate filaments, and microtubules.

Correct AnswerverifiedAnswers may vary but should include the ...View AnswerShow Answer

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Correct AnswerverifiedShow Answer

The endosymbiotic theory argues that prokaryotic cells became some of the organelles of early eukaryotic cells. Which of the following supports this theory?

Correct AnswerverifiedShow Answer

List the key similarities and differences between archaea and bacteria.

Correct AnswerverifiedAnswers will vary. Archaeal membranes ha...View AnswerShow Answer

In a person with a disease in which the mitochondria do not produce enough energy for the cell, which organs would be the most severely affected?

Correct AnswerverifiedShow Answer

All cells must have centrioles in order to divide via mitosis or meiosis.

Correct AnswerverifiedShow Answer

In some bacteria, the outermost layer is a gelatinous sheath known as

Correct AnswerverifiedShow Answer

Which of the following is a function of the cytoskeleton?

Correct AnswerverifiedShow Answer

If the chloroplast is the result of endosymbiosis, which membrane of the chloroplast represents the plasma membrane of the original prokaryote?

Correct AnswerverifiedShow Answer

The Golgi apparatus directs its protein products to the correct location in the cell based on

Correct AnswerverifiedShow Answer

In plants, chloroplasts are necessary for

Correct AnswerverifiedShow Answer

Circulating red blood cells in your body do not contain a nucleus and other organelles. Are these cells living?

Correct AnswerverifiedShow Answer

In a certain group of people, males are more subject to respiratory infections and are sterile. The most likely explanation for this disease is malfunctioning

Correct AnswerverifiedShow Answer

Which of the following would be a function of the peroxisomes?

Correct AnswerverifiedShow Answer

Explain how the nuclear envelope of eukaryotic cells could have arisen.

Correct AnswerverifiedThe cell membrane of a prokaryotic cell ...View AnswerShow Answer

Correct Answer
verified
Answers may vary but should include the ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers will vary. Archaeal membranes ha...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The cell membrane of a prokaryotic cell ...
View Answer