Question 1

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

Accepted Answer

A)  the outer mitochondrial membrane
B)  vacuole
C)  cristae
D)  matrix
E)  granaF) B) and E)
G) A) and D)

Question 2

In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _____________ heads are facing the outside environment and the ________________ tails are facing the interior of the membrane.

Accepted Answer

A)  hydrophobic,hydrophilic
B)  hydrophilic,hydrophobic
C)  autotrophic,heterotrophic
D)  heterotrophic,autotrophic
E)  ectothermic,endothermicF) A) and C)
G) C) and D)

Question 3

List,in order,the stages of aerobic cellular respiration.

Accepted Answer

Cellular respiration begins with glycoly...

Question 4

Brett needs to distinguish two points that are 0.5 mm apart.What is the easiest way to do this?

Accepted Answer

A)  Use a transmission electron microscope.
B)  Use a compound light microscope.
C)  Use his eyes.
D)  Use a magnifying glass.
E)  Use a scanning electron microscopE.F) None of the above
G) B) and D)

Question 5

What is the name of a photograph of a specimen obtained with a microscope?

Accepted Answer

A)  negative
B)  dermatome
C)  thermograph
D)  micrograph
E)  chromatographF) C) and D)
G) B) and C)

Question 6

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 prokaryote that was taken up but not destroyeD.
E)  groups of prokaryotic cells begin to live in a small group sharing products of metabolism.F) B) and D)
G) A) and C)

Question 7

What cell structure is composed of a stack of slightly curved saccules that are important in packaging and secretion?

Accepted Answer

A)  mitochondria
B)  vacuoles
C)  Golgi apparatus
D)  lysosomes
E)  endoplasmic reticulumF) B) and E)
G) A) and B)

Question 8

What do the SER and RER have in common?

Accepted Answer

A)  the presence of ribosomes
B)  the formation of transport vesicles
C)  the synthesis of phospholipids
D)  the synthesis of proteins
E)  the processing and modification of proteinsF) A) and B)
G) D) and E)

Question 9

A malfunction with the microtubules would interfere with mitosis and meiosis.

Accepted Answer

A) True 
 B)False

Question 10

Which organelle can be likened to a post office?

Accepted Answer

A)  nucleus
B)  nucleolus
C)  mitochondria
D)  endoplasmic reticulum
E)  Golgi apparatusF) A) and B)
G) A) and C)

Question 11

Which of the following can cross the plasma membrane because of its selective permeability?

Accepted Answer

A)  gases such as oxygen and carbon dioxide
B)  ions
C)  large,polar molecules
D)  large,nonpolar molecules
E)  glycoproteinsF) A) and B)
G) A) and C)

Question 12

The size of a metabolizing cell is limited by its

Accepted Answer

A)  extracellular matrix.
B)  function.
C)  nuclear size.
D)  surface area-to-volume ratio.
E)  genome sizE.F) A) and B)
G) None of the above

Question 13

Which of the following is not a function of the cytoskeleton?

Accepted Answer

A)  maintain a cell's shape
B)  process proteins
C)  anchor organelles
D)  move organelles
E)  move the entire cellF) C) and D)
G) A) and B)

Question 14

What type of microscopy provides a three-dimensional view of the surface of an object?

Accepted Answer

A)  compound light microscope
B)  transmission electron microscope
C)  scanning electron microscope
D)  phase contrast microscope
E)  ultraviolet microscopeF) B) and C)
G) B) and D)

Question 15

Centrosomes are associated with

Accepted Answer

A)  ribosomes.
B)  mitochondria.
C)  chromosomes.
D)  microtubules.
E)  lysosomes.F) A) and C)
G) None of the above

Question 16

The plasma membrane contains how many layers of phospholipids?

Accepted Answer

A)  one
B)  two
C)  four
D)  eight
E)  sixteenF) A) and D)
G) A) and C)

Question 17

The movement of water across a semi-permeable membrane is called

Accepted Answer

A)  denaturation.
B)  osmosis.
C)  dispersion.
D)  dissociation.
E)  reconstitution.F) B) and C)
G) A) and E)

Question 18

Which of the following steps in the breakdown of glucose does not require oxygen?

Accepted Answer

A)  glycolysis
B)  citric acid cycle
C)  electron transport chain
D)  acetyl CoA conversion
E)  None of these require oxygen.F) A) and B)
G) A) and C)

Question 19

Which of the following diseases would you expect in someone with malfunctioning cilia?

Accepted Answer

A)  recurrent respiratory infections
B)  heart attack
C)  urinary infections
D)  muscle paralysis
E)  brittle bonesF) B) and E)
G) A) and B)

Question 20

When ATP is broken down,heat is released.

Accepted Answer

A) True 
 B)False

Exam 3: Cell Structure and Function

Which of the following is not a function of the cytoskeleton?

Correct AnswerverifiedShow Answer

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

Correct AnswerverifiedShow Answer

Brett needs to distinguish two points that are 0.5 mm apart.What is the easiest way to do this?

Correct AnswerverifiedShow Answer

What cell structure is composed of a stack of slightly curved saccules that are important in packaging and secretion?

Correct AnswerverifiedShow Answer

When ATP is broken down,heat is released.

Correct AnswerverifiedShow Answer

List,in order,the stages of aerobic cellular respiration.

Correct AnswerverifiedCellular respiration begins with glycoly...View AnswerShow Answer

Which organelle can be likened to a post office?

Correct AnswerverifiedShow Answer

The plasma membrane contains how many layers of phospholipids?

Correct AnswerverifiedShow Answer

What do the SER and RER have in common?

Correct AnswerverifiedShow Answer

A malfunction with the microtubules would interfere with mitosis and meiosis.

Correct AnswerverifiedShow Answer

The size of a metabolizing cell is limited by its

Correct AnswerverifiedShow Answer

In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _____________ heads are facing the outside environment and the ________________ tails are facing the interior of the membrane.

Correct AnswerverifiedShow Answer

Which of the following diseases would you expect in someone with malfunctioning cilia?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the name of a photograph of a specimen obtained with a microscope?

Correct AnswerverifiedShow Answer

The movement of water across a semi-permeable membrane is called

Correct AnswerverifiedShow Answer

Which of the following can cross the plasma membrane because of its selective permeability?

Correct AnswerverifiedShow Answer

What type of microscopy provides a three-dimensional view of the surface of an object?

Correct AnswerverifiedShow Answer

Which of the following steps in the breakdown of glucose does not require oxygen?

Correct AnswerverifiedShow Answer

Centrosomes are associated with

Correct AnswerverifiedShow Answer

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Cellular respiration begins with glycoly...
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In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _ heads are facing the outside environment and the ____ tails are facing the interior of the membrane.

Correct Answer
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