Question 1

In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol, the ________ contains abundant amounts of smooth ER.

Accepted Answer

A)   liver
B)   kidney
C)   small intestine
D)   pancreas
E)   stomach

Question 2

The phase of mitosis that begins with the arrival of a group of single-stranded chromosomes at each pole of the cell is

Accepted Answer

A)   metaphase.
B)   anaphase.
C)   telophase.
D)   prophase.
E)   S phase.

Question 3

If the sequence of DNA nucleotides being read is TTACTG, then transcription results in the formation of the sequence

Accepted Answer

A)   AAUGAC.
B)   TTUGUC.
C)   GTCATT.
D)   TTACTG.
E)   AAAGGG.

Question 4

Symport active transporters move two substances across the membrane in the same direction.

Accepted Answer

A) True 
 B)False

Question 5

Removal of old organelles is via a process called

Accepted Answer

A)   pinocytosis.
B)   autophagy.
C)   autolysis.
D)   filtration.
E)   vascularization.

Question 6

The organelles responsible for organizing microtubules that are part of the mitotic spindle are called

Accepted Answer

A)   centrioles.
B)   nucleoli.
C)   microvilli.
D)   cilia.
E)   vesicles.

Question 7

The folds of the internal membrane of a mitochondrion are called

Accepted Answer

A)   matrix.
B)   vesicles.
C)   vacuoles.
D)   cristae.
E)   cisternae.

Question 8

Exocytosis occurs as a result of

Accepted Answer

A)   hydrostatic pressure.
B)   the expenditure of energy in the form of ATP.
C)   molecular movement with carrier assistance.
D)   concentration gradients.
E)   ion pumps.

Question 9

Which type of protein is used by cells of the immune system to distinguish normal cells from foreign or infected cells?

Accepted Answer

A)   Anchoring proteins
B)   Ligands
C)   Cell adhesion proteins
D)   Identity markers
E)   Transport proteins

Question 10

The type of vesicular transport by which large molecules or large amounts of substances are secreted from a cell is ________.

Accepted Answer

The answer of The type of vesicular transport by which...

Question 11

The uptake of cholesterol into cells is an example of

Accepted Answer

A)   phagocytosis.
B)   pinocytosis.
C)   receptor-mediated endocytosis.
D)   receptor-mediated exocytosis.
E)   simple diffusion.

Question 12

Which is a passive transport process?

Accepted Answer

A)   Phagocytosis
B)   Pinocytosis
C)   Receptor-mediated endocytosis
D)   Osmosis
E)   Ion pump

Question 13

Lysosome functions range from the digestion of materials ingested by the cell to the self-destruction of the cell.

Accepted Answer

A) True 
 B)False

Question 14

Exocytosis is a form of secondary active transport.

Accepted Answer

A) True 
 B)False

Question 15

All cells must obtain nutrients, form new chemical structures, and dispose of waste molecules.

Accepted Answer

A) True 
 B)False

Question 16

The term "codon" refers to

Accepted Answer

A)   a three-nucleotide sequence of DNA that codes for a protein.
B)   an amino acid that is coded for by three bases of DNA.
C)   a three-base sequence of mRNA.
D)   the part of a rRNA molecule where a new amino acid is added.
E)   the part of tRNA that is a triplet of bases that forms hydrogen bonds with complementary sequences.

Question 17

Diffusion rate is fastest when the concentration gradient is

Accepted Answer

A)   steepest and temperature is highest.
B)   steepest and temperature is at body temperature.
C)   slightest and temperature is highest.
D)   slightest and temperature is at body temperature.
E)   slightest and temperature is lowest.

Question 18

The pigment melanin is a(n)

Accepted Answer

A)   membrane-bound organelle.
B)   non-membrane-bound organelle.
C)   inclusion.
D)   nutrient.
E)   triglyceride.

Question 19

If the nutrient glycogen is found stored inside a cell, it is considered a(n)

Accepted Answer

A)   inclusion.
B)   membrane-bound organelle.
C)   non-membrane-bound organelle.
D)   pigment.

Question 20

When a cell is at its resting membrane potential, more potassium diffuses out than sodium diffuses in.

Accepted Answer

A) True 
 B)False

Exam 4: Biology of the Cell

Lysosome functions range from the digestion of materials ingested by the cell to the self-destruction of the cell.

Correct AnswerverifiedShow Answer

Exocytosis is a form of secondary active transport.

Correct AnswerverifiedShow Answer

The uptake of cholesterol into cells is an example of

Correct AnswerverifiedShow Answer

The term "codon" refers to

Correct AnswerverifiedShow Answer

The pigment melanin is a(n)

Correct AnswerverifiedShow Answer

Diffusion rate is fastest when the concentration gradient is

Correct AnswerverifiedShow Answer

The folds of the internal membrane of a mitochondrion are called

Correct AnswerverifiedShow Answer

The phase of mitosis that begins with the arrival of a group of single-stranded chromosomes at each pole of the cell is

Correct AnswerverifiedShow Answer

If the sequence of DNA nucleotides being read is TTACTG, then transcription results in the formation of the sequence

Correct AnswerverifiedShow Answer

Which type of protein is used by cells of the immune system to distinguish normal cells from foreign or infected cells?

Correct AnswerverifiedShow Answer

Symport active transporters move two substances across the membrane in the same direction.

Correct AnswerverifiedShow Answer

If the nutrient glycogen is found stored inside a cell, it is considered a(n)

Correct AnswerverifiedShow Answer

Removal of old organelles is via a process called

Correct AnswerverifiedShow Answer

The organelles responsible for organizing microtubules that are part of the mitotic spindle are called

Correct AnswerverifiedShow Answer

Exocytosis occurs as a result of

Correct AnswerverifiedShow Answer

All cells must obtain nutrients, form new chemical structures, and dispose of waste molecules.

Correct AnswerverifiedShow Answer

In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol, the ________ contains abundant amounts of smooth ER.

Correct AnswerverifiedShow Answer

The type of vesicular transport by which large molecules or large amounts of substances are secreted from a cell is ________.

Correct AnswerverifiedShow Answer

Which is a passive transport process?

Correct AnswerverifiedShow Answer

When a cell is at its resting membrane potential, more potassium diffuses out than sodium diffuses in.

Correct AnswerverifiedShow Answer

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