Question 1

When a hormone binds to a membrane-bound receptor,

Accepted Answer

A)  membrane channels are destroyed. 
B)  cyclic GMP might be produced to act as an intracellular mediator. 
C)  the nucleus is phosphorylated to prevent G-protein activation. 
D)  messenger RNA is formed. 
E)  cellular DNA is altered. 
A)  membrane channels are destroyed. 
B)  cyclic GMP might be produced to act as an intracellular mediator. 
C)  the nucleus is phosphorylated to prevent G-protein activation. 
D)  messenger RNA is formed. 
E)  cellular DNA is altered.

Question 2

The role of cAMP when it acts as an intracellular mediator in cells is to

Accepted Answer

A)  bind to and activate protein kinase. 
B)  activate genes in the nucleus to produce mRNA. 
C)  directly activate structural enzymes in the cytoplasm of the target cell. 
D)  catalyze a cascade reaction that ultimately activates genes on the DNA. 
E)  control levels of calcium in the cell. 
A)  bind to and activate protein kinase. 
B)  activate genes in the nucleus to produce mRNA. 
C)  directly activate structural enzymes in the cytoplasm of the target cell. 
D)  catalyze a cascade reaction that ultimately activates genes on the DNA. 
E)  control levels of calcium in the cell.

Question 3

What is it about a cell that identifies it as a target cell for a hormone?

Accepted Answer

A)  the presence of a receptor specific for that hormone 
B)  its location near the gland that secretes that hormone 
C)  the ability of the target cell to perform a specific function 
D)  its ability to inactivate the hormone 
E)  the size of the target cell 
A)  the presence of a receptor specific for that hormone 
B)  its location near the gland that secretes that hormone 
C)  the ability of the target cell to perform a specific function 
D)  its ability to inactivate the hormone 
E)  the size of the target cell

When a hormone binds to a membrane-bound receptor,

The role of cAMP when it acts as an intracellular mediator in cells is to

What is it about a cell that identifies it as a target cell for a hormone?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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Exam 17: Functional Organization of the Endocrine System

When a hormone binds to a membrane-bound receptor,

The role of cAMP when it acts as an intracellular mediator in cells is to

What is it about a cell that identifies it as a target cell for a hormone?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters