Question 1

In cotransport

Accepted Answer

A)  no ATP is used.
B)  the diffusing substance moves in the opposite direction as the transported substance.
C)  the diffusing substance moves in the same direction as the transported substance.
D)  the substance moves directly through the cell membrane without the aid of proteins.
E)  None of these choices are accurate for cotransport.F) C) and D)
G) B) and D)

Question 2

The information in the nucleic acid,____________,is carried in the multiple groups of three nucleotides called codons.

Accepted Answer

A)  tRNA
B)  mRNA
C)  rRNA
D)  All of these terms are acceptable.E) A) and B)
F) None of the above

Question 3

A cell that was producing large amounts of lipoproteins (proteins combined with lipids) for secretion from the cell would have large numbers of

Accepted Answer

A)  lysosomes.
B)  Golgi apparatus.
C)  centrioles.
D)  membrane transporters.
E)  all of these structures.F) A) and B)
G) All of the above

Question 4

The type of membrane transport that uses carrier molecules to move substances with the concentration gradient for that substance is

Accepted Answer

A)  simple diffusion.
B)  exocytosis.
C)  facilitated diffusion.
D)  active transport.
E)  endocytosis.F) B) and D)
G) A) and C)

Question 5

Which of the following cell organelles is NOT correctly matched with its function?

Accepted Answer

A)  nucleus - contains genes that determine the structure and function of each cell
B)  lysosome - contains digestive enzymes
C)  mitochondria - site of protein synthesis
D)  Golgi apparatus - packages proteins in secretory vesicles
E)  smooth ER - site of lipid synthesisF) A) and B)
G) B) and E)

Question 6

Which of these molecules is correctly matched with its method of movement through the cell membrane?

Accepted Answer

A)  lipid-soluble molecules - pass through membrane channels
B)  small,water-soluble molecules (ions) - dissolve in double phospholipid layer
C)  large,water-soluble molecules - transported by carrier-mediated processes
D)  glucose and amino acid molecules - pass through membrane channels
E)  All of these are correctly paired.F) A) and D)
G) D) and E)

Exam 3: Cell Structures and Their Functions

In cotransport

Correct Answer
verified

A cell that was producing large amounts of lipoproteins (proteins combined with lipids) for secretion from the cell would have large numbers of

Correct Answer
verified

Which of the following cell organelles is NOT correctly matched with its function?

Correct Answer
verified

The information in the nucleic acid,____________,is carried in the multiple groups of three nucleotides called codons.

Correct Answer
verified

The type of membrane transport that uses carrier molecules to move substances with the concentration gradient for that substance is

Correct Answer
verified

Which of these molecules is correctly matched with its method of movement through the cell membrane?

Correct Answer
verified

Exam 3: Cell Structures and Their Functions

In cotransport

Correct AnswerverifiedShow Answer

A cell that was producing large amounts of lipoproteins (proteins combined with lipids) for secretion from the cell would have large numbers of

Correct AnswerverifiedShow Answer

Which of the following cell organelles is NOT correctly matched with its function?

Correct AnswerverifiedShow Answer

The information in the nucleic acid,____________,is carried in the multiple groups of three nucleotides called codons.

Correct AnswerverifiedShow Answer

The type of membrane transport that uses carrier molecules to move substances with the concentration gradient for that substance is

Correct AnswerverifiedShow Answer

Which of these molecules is correctly matched with its method of movement through the cell membrane?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified