Question 1

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

Accepted Answer

A)   invagination of the plasma membrane to form endoplasmic reticulum.
B)   incorporation of engulfed heterotrophic bacteria to form mitochondria.
C)   incorporation of engulfed autotrophic cyanobacteria to form chloroplasts.
D)   a symbiotic relationship between a host cell and a porkaryote that was taken up but not destroyed.
E)   groups of prokaryotic cells begin to live in a small group sharing products of metabolism.F) A) and E)
G) None of the above

Question 2

Both plant and animal cells have mitochondria because they both

Accepted Answer

A)   carry on photosynthesis.
B)   have a large central vacuole.
C)   have endoplasmic reticulum.
D)   need ATP for energy.
E)   have lysosomal hydrolytic enzymes.F) B) and E)
G) A) and C)

Question 3

When a lysosome fuses with a vacuole,

Accepted Answer

A)   they both disappear.
B)   they both return to the Golgi apparatus.
C)   protein synthesis begins.
D)   division begins.
E)   its contents are digested.F) C) and D)
G) B) and C)

Question 4

Which is NOT a function of the cytoskeleton?

Accepted Answer

A)   maintains a cell's shape
B)   anchors organelles in place within a cell
C)   allows cell and its organelles to move
D)   secretes the calcium for bone tissue
E)   allows the formation of pseudopodiaF) A) and C)
G) A) and E)

Question 5

Since all organisms carry on cellular respiration,all living cells must contain mitochondria.

Accepted Answer

A) True 
 B)False

Question 6

The endosymbiotic theory argues that prokaryotes became some of the organelles of early eukaryotic cells.All of the following support this hypothesis EXCEPT

Accepted Answer

A)   The vacuoles can "come and go" across the plasma membrane.
B)   Mitochondria and chloroplasts have their own DNA.
C)   Mitochondria and chloroplasts are nearly identical to some free living prokaryotes.
D)   The mitochondria and chloroplasts have their own DNA AND are nearly identical to some free living prokaryotes.
E)   Mitochondria and chloroplasts divide by splitting.F) None of the above
G) B) and E)

Question 7

Thylakoids and cristae are respectively structures of

Accepted Answer

A)   lysosomes and the endoplasmic reticulum.
B)   the nucleus and nucleolus.
C)   chloroplasts and mitochondria.
D)   mitochondria and chloroplasts.
E)   the cell wall and the plasma membrane.F) C) and E)
G) A) and D)

Question 8

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

Accepted Answer

Answers may vary but should include the ...

Question 9

Which of the following is a prokaryotic cell?

Accepted Answer

A)   plant cell
B)   liver cell
C)   muscle cell
D)   paramecium
E)   bacteriumF) C) and D)
G) C) and E)

Question 10

Which type of cells will have modifications that increase the surface-area-to-volume ratio?

Accepted Answer

A)   cells that specialize in absorption
B)   cells that specialize in gas exchange
C)   cells that secrete proteins
D)   cells that secrete lipids
E)   cells that form a waterproof barrierF) D) and E)
G) C) and D)

Question 11

Which eukaryotic organelle is the largest?

Accepted Answer

A)   ribosome
B)   nucleus
C)   cytoskeleton
D)   mitochondria
E)   Golgi apparatusF) A) and E)
G) A) and C)

Question 12

Since cyanobacteria do not contain chloroplasts and yet they photosynthesize,chloroplasts are not required for photosynthesis.

Accepted Answer

A) True 
 B)False

Question 13

The nucleolus

Accepted Answer

A)   contains RNA and is found in the nucleus.
B)   contains DNA and is found in the nucleus.
C)   contains RNA and is found in the cytoplasm.
D)   contains DNA and is found in the cytoplasm.
E)   contains ribosome subunits and is found in the cytoplasm.F) A) and E)
G) D) and E)

Question 14

Which of the following cells was most likely the first type of cells on Earth?

Accepted Answer

A)   Bacteria
B)   Fungi
C)   Archaea
D)   Plants
E)   AnimalsF) B) and C)
G) A) and B)

Question 15

Mitochondria are bounded by a double membrane.The inner filled space is called the matrix which contains ______________ that break down carbohydrate products,releasing _______________ to be used for ATP production.

Accepted Answer

A)   DNA/energy
B)   ribosomes/carbon dioxide
C)   RNA/energy
D)   enzymes/energyE) B) and D)
F) All of the above

Question 16

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion,then

Accepted Answer

A)   vesicles must travel from the Golgi to the cell surface.
B)   vesicles must travel from the rough ER and smooth ER to the Golgi apparatus.
C)   the Golgi apparatus must be part of the endomembrane system.
D)   the Golgi apparatus must consist of 3 to 20 slightly curved sacs.
E)   the Golgi apparatus would contain proteins.F) A) and B)
G) None of the above

Question 17

What evidence would not suggest that the fluid in the nucleus is different from the cytoplasm?

Accepted Answer

A)   There is a pH difference between the two fluids.
B)   The nuclear membrane encloses the nucleoplasm.
C)   Nuclear pores only permit passage of certain molecules into and out of the nucleus.
D)   Cytoplasm and nucleoplasm both flow freely into and out of the nucleus.
E)   Electron microscopy reveals nonmembranous components associated with the nuclear pores.F) B) and C)
G) A) and B)

Question 18

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

Accepted Answer

The cell membrane of a prokaryotic cells...

Question 19

Which organelle has a 9 + 0 pattern of microtubules?

Accepted Answer

A)   cilia
B)   flagella
C)   centriole
D)   kinesin
E)   microtubuleF) A) and E)
G) B) and E)

Exam 3: Cell Structure and Function

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion,then

Correct Answer
verified

Which is NOT a function of the cytoskeleton?

Correct Answer
verified

Since cyanobacteria do not contain chloroplasts and yet they photosynthesize,chloroplasts are not required for photosynthesis.

Correct Answer
verified

Mitochondria are bounded by a double membrane.The inner filled space is called the matrix which contains that break down carbohydrate products,releasing _ to be used for ATP production.

Correct Answer
verified

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

Correct Answer
verified

Since all organisms carry on cellular respiration,all living cells must contain mitochondria.

Correct Answer
verified

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

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

Thylakoids and cristae are respectively structures of

Correct Answer
verified

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

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

When a lysosome fuses with a vacuole,

Correct Answer
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The nucleolus

Correct Answer
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Which organelle has a 9 + 0 pattern of microtubules?

Correct Answer
verified

Which type of cells will have modifications that increase the surface-area-to-volume ratio?

Correct Answer
verified

What evidence would not suggest that the fluid in the nucleus is different from the cytoplasm?

Correct Answer
verified

The endosymbiotic theory argues that prokaryotes became some of the organelles of early eukaryotic cells.All of the following support this hypothesis EXCEPT

Correct Answer
verified

Which of the following cells was most likely the first type of cells on Earth?

Correct Answer
verified

Both plant and animal cells have mitochondria because they both

Correct Answer
verified

Which eukaryotic organelle is the largest?

Correct Answer
verified

Which of the following is a prokaryotic cell?

Correct Answer
verified

Exam 3: Cell Structure and Function

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion,then

Correct AnswerverifiedShow Answer

Which is NOT a function of the cytoskeleton?

Correct AnswerverifiedShow Answer

Since cyanobacteria do not contain chloroplasts and yet they photosynthesize,chloroplasts are not required for photosynthesis.

Correct AnswerverifiedShow Answer

Mitochondria are bounded by a double membrane.The inner filled space is called the matrix which contains ______________ that break down carbohydrate products,releasing _______________ to be used for ATP production.

Correct AnswerverifiedShow Answer

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

Correct AnswerverifiedShow Answer

Since all organisms carry on cellular respiration,all living cells must contain mitochondria.

Correct AnswerverifiedShow Answer

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

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

Thylakoids and cristae are respectively structures of

Correct AnswerverifiedShow Answer

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

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

When a lysosome fuses with a vacuole,

Correct AnswerverifiedShow Answer

The nucleolus

Correct AnswerverifiedShow Answer

Which organelle has a 9 + 0 pattern of microtubules?

Correct AnswerverifiedShow Answer

Which type of cells will have modifications that increase the surface-area-to-volume ratio?

Correct AnswerverifiedShow Answer

What evidence would not suggest that the fluid in the nucleus is different from the cytoplasm?

Correct AnswerverifiedShow Answer

The endosymbiotic theory argues that prokaryotes became some of the organelles of early eukaryotic cells.All of the following support this hypothesis EXCEPT

Correct AnswerverifiedShow Answer

Which of the following cells was most likely the first type of cells on Earth?

Correct AnswerverifiedShow Answer

Both plant and animal cells have mitochondria because they both

Correct AnswerverifiedShow Answer

Which eukaryotic organelle is the largest?

Correct AnswerverifiedShow Answer

Which of the following is a prokaryotic cell?

Correct AnswerverifiedShow Answer

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Mitochondria are bounded by a double membrane.The inner filled space is called the matrix which contains that break down carbohydrate products,releasing _ to be used for ATP production.

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

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The cell membrane of a prokaryotic cells...
View Answer

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