Question 1

Which protein filaments are bundled together to form cilia?

Accepted Answer

A)   microtubules
B)   actin filaments
C)   intermediate filaments
D)   centrosomes
E)   None of these.F) B) and E)
G) C) and D)

Question 2

If a cell has a volume of 3nm, what are the surface area and the volume of the cell?

Accepted Answer

A)   24nm2, 8nm3
B)   38nm2, 16nm3
C)   54nm2, 27nm3
D)   64nm2, 24nm3
E)   18nm2, 6nm3F) C) and D)
G) A) and B)

Question 3

The gel-like fluid substance within a mitochondrion is called the

Accepted Answer

A)   matrix.
B)   cristae.
C)   rugae.
D)   effluvium.
E)   villi.F) A) and D)
G) A) and B)

Question 4

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) D) and E)
G) A) and B)

Question 5

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) A) and B)
G) B) and D)

Question 6

Brad placed a drop of blood in some distilled water. What happened in the red blood cells?

Accepted Answer

A)   The cells shrunk.
B)   The cells burst.
C)   The cells did not change.
D)   The cells divided into 2 identical cells.
E)   The cellular metabolism increased in rate.F) C) and E)
G) A) and B)

Question 7

What components make up the ribosomes?

Accepted Answer

A)   proteins and rRNA
B)   proteins and DNA
C)   lipids and rRNA
D)   carbohydrates and rRNA
E)   proteins and DNA.F) C) and D)
G) A) and B)

Question 8

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

Accepted Answer

CELLULAR RESPIRATION BEGINS WITH GLYCOLY...

Question 9

What is the name of the semi-fluid medium inside the cell?

Accepted Answer

A)   nucleolus
B)   cytoplasm
C)   organelle
D)   cytoskeleton
E)   mitochondrionF) A) and C)
G) A) and B)

Question 10

Choose the CORRECT statement about solute concentrations or particles inside and outside the cell.

Accepted Answer

A)   In a hypertonic solution, there are more particles inside the cell.
B)   In a hypotonic solution, there are more particles outside the cell.
C)   In an isotonic solution the amount of water inside and outside the cell is equal.
D)   In a hypertonic solution, there is more water outside the cell.
E)   In a hypotonic solution, there is more water inside the cell.F) C) and E)
G) All of the above

Question 11

What is the maximum number of ATP molecules produced during aerobic respiration?

Accepted Answer

A)   38
B)   36
C)   32
D)   2
E)   4F) D) and E)
G) C) and E)

Question 12

Which structure in the human body will use flagella to move?

Accepted Answer

A)   sperm
B)   eggs
C)   lining of the respiratory tract
D)   lining of the uterine tubes
E)   lining of the urinary systemF) B) and D)
G) B) and E)

Question 13

The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?

Accepted Answer

A)   diffusion
B)   facilitated transport
C)   active transport
D)   osmosis
E)   crenationF) A) and D)
G) All of the above

Question 14

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) B) and C)
G) A) and E)

Question 15

What is the main function of the ribosomes in the cell?

Accepted Answer

A)   to synthesize proteins
B)   to synthesize DNA
C)   to breakdown proteins into individual amino acids
D)   to form the nuclear envelope
E)   to provide strength and structural support for the cell membraneF) B) and D)
G) A) and C)

Question 16

Fermentation produces more ATP than does aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 17

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) All of the above
G) A) and E)

Question 18

When ATP is broken down, heat is released.

Accepted Answer

A) True 
 B)False

Question 19

Biologists classify cells into two broad categories--animals and plants.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

Exam 3: Cell Structure and Function

Which structure in the human body will use flagella to move?

Correct AnswerverifiedShow Answer

When ATP is broken down, heat is released.

Correct AnswerverifiedShow Answer

If a cell has a volume of 3nm, what are the surface area and the volume of the cell?

Correct AnswerverifiedShow Answer

The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?

Correct AnswerverifiedShow Answer

Which protein filaments are bundled together to form cilia?

Correct AnswerverifiedShow Answer

Fermentation produces more ATP than does aerobic respiration.

Correct AnswerverifiedShow Answer

What is the name of the semi-fluid medium inside the cell?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Brad placed a drop of blood in some distilled water. What happened in the red blood cells?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedCELLULAR RESPIRATION BEGINS WITH GLYCOLY...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What components make up the ribosomes?

Correct AnswerverifiedShow Answer

What is the maximum number of ATP molecules produced during aerobic respiration?

Correct AnswerverifiedShow Answer

Choose the CORRECT statement about solute concentrations or particles inside and outside the cell.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the main function of the ribosomes in the cell?

Correct AnswerverifiedShow Answer

The gel-like fluid substance within a mitochondrion is called the

Correct AnswerverifiedShow Answer

The size of a metabolizing cell is limited by its

Correct AnswerverifiedShow Answer

Biologists classify cells into two broad categories--animals and plants.

Correct AnswerverifiedShow Answer

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CELLULAR RESPIRATION BEGINS WITH GLYCOLY...
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