Question 1

Which of the following events would increase the cell's ability to exchange materials across the membrane?

Accepted Answer

A)   Multiple cellular divisions that restore the amount of surface area.
B)   The growth of microvilli on the cell membrane.
C)   Specialization in absorption.
D)   All of these events would increase the cell's ability to exchange materials across the membrane.
E)   None of these events would increase the cell's ability to exchange materials across the membraneF) C) and D)
G) All of the above

Question 2

Which is NOT a correct association of cell organelles and structure?

Accepted Answer

A)   cell wall-cellulose fibers and lignin
B)   centriole-microtubules
C)   endoplasmic reticulum-concentrated chromatin, RNA, and nucleoli
D)   plasma membrane-two layers of phospholipids with embedded proteins
E)   ribosome-RNA and protein in two subunitsF) C) and D)
G) B) and E)

Question 3

Because plants evolved from bacterial ancestors,the primary plant cell wall and the bacterial cell wall are both composed of peptidoglycan.

Accepted Answer

A) True 
 B)False

Question 4

Since plant cells do not have centrioles,they cannot be required for all organisms to conduct mitosis and meiosis.

Accepted Answer

A) True 
 B)False

Question 5

Proteins are processed and modified in the interior of the

Accepted Answer

A)   mitochondria.
B)   nucleus.
C)   chloroplasts.
D)   rough endoplasmic reticulum.
E)   smooth endoplasmic reticulum.F) C) and D)
G) A) and D)

Question 6

List the key differences between archaea and bacteria.

Accepted Answer

Answers may vary but should include the ...

Question 7

The failure of which organelle during development can result in a child being born with webbed toes?

Accepted Answer

A)   lysosomes
B)   peroxisomes
C)   vacuoles
D)   rough ER
E)   Golgi apparatusF) B) and D)
G) C) and D)

Question 8

If a cell lacked ribosomes,it would NOT be able to

Accepted Answer

A)   form a spindle apparatus.
B)   synthesize proteins.
C)   respire.
D)   hydrolyze fat.
E)   form a Golgi vesicle.F) B) and E)
G) C) and D)

Question 9

Which of these is mismatched?

Accepted Answer

A)   cilia-microtubules
B)   centrioles-spindle
C)   mitochondria-stroma
D)   lysosomes-hydrolytic enzymes
E)   ribosomes-RNAF) All of the above
G) C) and D)

Question 10

Which cellular structure is responsible for packaging materials with the cell?

Accepted Answer

A)   mitochondria
B)   chloroplasts
C)   Golgi apparatus
D)   ribosomes
E)   lysosomesF) C) and D)
G) A) and D)

Question 11

Which organelle primarily functions to package or regulate the production of H2O2?

Accepted Answer

A)   lysosome
B)   vacuole
C)   Golgi apparatus
D)   endoplasmic reticulum
E)   peroxisomeF) B) and C)
G) C) and D)

Question 12

In a person with a mitochondrial disease such that mitochondria do not produce enough energy for the cell,which organs would likely be most affected?

Accepted Answer

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

Question 13

According to cell theory

Accepted Answer

A)   all organisms are composed of tissues.
B)   the smallest unit of life is a nucleus.
C)   animals but not plants are composed of cells.
D)   a multicellular organism is composed of many cells.
E)   new cells arise only from preexisting cells.F) All of the above
G) A) and B)

Question 14

An agent would make a good antibiotic if it affected a structure or process only found in bacterial cells and not in our (eukaryotic) cells.Which of the following actions would theoretically make a good antibiotic?

Accepted Answer

A)   prevents repair of the peptidoglycan cell wall
B)   damages the nuclear membrane
C)   damages DNA
D)   prevents ribosomes from producing proteins
E)   stops cellular respirationF) A) and C)
G) A) and B)

Question 15

Tissues that produce large amounts of secretions,such as the gastric glands of the stomach,contain cells with large numbers of

Accepted Answer

A)   lysosomes.
B)   nucleoli.
C)   centrioles.
D)   mitochondria.
E)   Golgi apparati.F) B) and E)
G) B) and D)

Question 16

If the chloroplast is the result of endosymbiosis,what 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)   cristae
D)   thylakoid membrane
E)   granaF) A) and E)
G) A) and D)

Question 17

Actin filaments,intermediate filaments,and microtubules are all similar in that each is composed of a single type of protein.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is not true concerning the cell theory?

Accepted Answer

A)   Virchow asserted that all cells come from preexisting cells.
B)   Schleiden determined that all plants are made of cells.
C)   Schwann researched animal tissues and discovered that they were all made of cells.
D)   Hooke observed the cells of cork.
E)   Leeuwenhoek first used the term "cells".F) All of the above
G) B) and D)

Question 19

According to the endosymbiotic theory,eukaryotes became the mitochondria and chloroplasts found in prokaryotic cells.

Accepted Answer

A) True 
 B)False

Question 20

When viewed through a microscope,one characteristic of living cells is that their internal structures move.What organelles are most directly responsible for this motion we see?

Accepted Answer

A)   cell membrane and nucleus
B)   ribosomes and endoplasmic reticulum
C)   centrioles and cell wall
D)   mitochondria and cytoskeleton
E)   chloroplasts and lysosomesF) A) and E)
G) B) and E)

Exam 3: Cell Structure and Function

In a person with a mitochondrial disease such that mitochondria do not produce enough energy for the cell,which organs would likely be most affected?

Correct AnswerverifiedShow Answer

Which of the following events would increase the cell's ability to exchange materials across the membrane?

Correct AnswerverifiedShow Answer

Which cellular structure is responsible for packaging materials with the cell?

Correct AnswerverifiedShow Answer

Actin filaments,intermediate filaments,and microtubules are all similar in that each is composed of a single type of protein.

Correct AnswerverifiedShow Answer

When viewed through a microscope,one characteristic of living cells is that their internal structures move.What organelles are most directly responsible for this motion we see?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Since plant cells do not have centrioles,they cannot be required for all organisms to conduct mitosis and meiosis.

Correct AnswerverifiedShow Answer

According to cell theory

Correct AnswerverifiedShow Answer

Which of the following is not true concerning the cell theory?

Correct AnswerverifiedShow Answer

If a cell lacked ribosomes,it would NOT be able to

Correct AnswerverifiedShow Answer

Which organelle primarily functions to package or regulate the production of H2O2?

Correct AnswerverifiedShow Answer

Proteins are processed and modified in the interior of the

Correct AnswerverifiedShow Answer

An agent would make a good antibiotic if it affected a structure or process only found in bacterial cells and not in our (eukaryotic) cells.Which of the following actions would theoretically make a good antibiotic?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

List the key differences between archaea and bacteria.

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

The failure of which organelle during development can result in a child being born with webbed toes?

Correct AnswerverifiedShow Answer

According to the endosymbiotic theory,eukaryotes became the mitochondria and chloroplasts found in prokaryotic cells.

Correct AnswerverifiedShow Answer

Tissues that produce large amounts of secretions,such as the gastric glands of the stomach,contain cells with large numbers of

Correct AnswerverifiedShow Answer

Which is NOT a correct association of cell organelles and structure?

Correct AnswerverifiedShow Answer

Because plants evolved from bacterial ancestors,the primary plant cell wall and the bacterial cell wall are both composed of peptidoglycan.

Correct AnswerverifiedShow Answer

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Which organelle primarily functions to package or regulate the production of H₂O₂?

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Answers may vary but should include the ...
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