Question 1

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. 
A) lysosomes. 
B) Golgi apparatus. 
C) centrioles. 
D) membrane transporters. 
E) all of these structures.

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. 
A) tRNA 
B) mRNA 
C) rRNA 
D) All of these terms are acceptable.

Question 3

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. 
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.

Question 4

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. 
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.

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 synthesis 
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 synthesis

Question 6

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

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

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

In cotransport

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

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

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

The Human Organism

The Chemical Basis of Life

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

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Exam 3: Cell Structures and Their Functions

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

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

In cotransport

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

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

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

The Human Organism

The Chemical Basis of Life

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

Filters