Question 1

Why do steroids take so long to generate change when they bind to intracellular receptors?

Accepted Answer

A) The intracellular receptors have very slow kinetics. 
B) The bound receptors affect gene transcription rates. 
C) The steroid receptor complex activates signal transduction pathways. 
D) The steroid receptor complex must then exit the cell to exert its effects. 
A) The intracellular receptors have very slow kinetics. 
B) The bound receptors affect gene transcription rates. 
C) The steroid receptor complex activates signal transduction pathways. 
D) The steroid receptor complex must then exit the cell to exert its effects.

Question 2

The posterior pituitary is

Accepted Answer

A) one of the most important endocrine organs. 
B) an organ producing (not just secreting)neurohormones. 
C) just a physical extension of the hypothalamus. 
D) a very small thin sheet in adult mammals. 
A) one of the most important endocrine organs. 
B) an organ producing (not just secreting)neurohormones. 
C) just a physical extension of the hypothalamus. 
D) a very small thin sheet in adult mammals.

Question 3

The biogenic amine,__________,is important for invertebrates as a neurotransmitter.

Accepted Answer

A) epinephrine 
B) norepinephrine 
C) thyroid hormone 
D) octopamine 
A) epinephrine 
B) norepinephrine 
C) thyroid hormone 
D) octopamine

Question 4

There are multiple ways in which two cells in an organism can communicate with each other: gap junctions,paracrine and autocrine signals,endocrine signals,and neural signals.Discuss the advantages and drawbacks for each of these types of signals.

Accepted Answer

Gap junctions allow direct communication

Question 5

What endocrine gland secretes ACTH?

Accepted Answer

A) anterior pituitary 
B) posterior pituitary 
C) hypothalamus 
D) adrenal medulla 
A) anterior pituitary 
B) posterior pituitary 
C) hypothalamus 
D) adrenal medulla

Question 6

A signaling cell's message may affect itself as well,in a process known as __________ signaling.

Accepted Answer

The answer of A signaling cell's message may affect itself...

Question 7

The term__________ refers to any molecule that binds specifically to a protein.

Accepted Answer

The answer of The term__________ refers to any molecule that...

Question 8

The portion of the transmembrane receptor that binds to hydrophilic messengers is termed the

Accepted Answer

A) receptor-binding domain. 
B) transmembrane domain. 
C) ligand-binding domain. 
D) intracellular domain. 
A) receptor-binding domain. 
B) transmembrane domain. 
C) ligand-binding domain. 
D) intracellular domain.

Question 9

The communication and interspecies relationship between the Hawaiian bobtail squid,Euprymna scolopes,and the bacteria,Vibrio fischeri,is one of _____________.

Accepted Answer

The answer of The communication and interspecies relationship between the...

Question 10

The hypothalamic-pituitary portal system transports blood and neurohormones between the

Accepted Answer

A) hypothalamus and the heart. 
B) hypothalamus and the pituitary gland (after returning to the heart). 
C) hypothalamus and the posterior pituitary. 
D) hypothalamus and the anterior pituitary. 
A) hypothalamus and the heart. 
B) hypothalamus and the pituitary gland (after returning to the heart). 
C) hypothalamus and the posterior pituitary. 
D) hypothalamus and the anterior pituitary.

Question 11

If steroid hormones must be bound to protein carriers to travel through the blood,how are they able to bind to intracellular receptors? (The protein carriers cannot diffuse through the membrane. )

Accepted Answer

Steroid hormones are bound reversibly to

Question 12

__________ is a generalized carrier protein that plays a major role in vertebrate blood.

Accepted Answer

A) Globulin 
B) Albumin 
C) Hemoglobin 
D) Cholesterol 
A) Globulin 
B) Albumin 
C) Hemoglobin 
D) Cholesterol

Why do steroids take so long to generate change when they bind to intracellular receptors?

The posterior pituitary is

The biogenic amine,__________,is important for invertebrates as a neurotransmitter.

There are multiple ways in which two cells in an organism can communicate with each other: gap junctions,paracrine and autocrine signals,endocrine signals,and neural signals.Discuss the advantages and drawbacks for each of these types of signals.

What endocrine gland secretes ACTH?

A signaling cell's message may affect itself as well,in a process known as __________ signaling.

The term__________ refers to any molecule that binds specifically to a protein.

The portion of the transmembrane receptor that binds to hydrophilic messengers is termed the

The communication and interspecies relationship between the Hawaiian bobtail squid,Euprymna scolopes,and the bacteria,Vibrio fischeri,is one of _____________.

The hypothalamic-pituitary portal system transports blood and neurohormones between the

If steroid hormones must be bound to protein carriers to travel through the blood,how are they able to bind to intracellular receptors? (The protein carriers cannot diffuse through the membrane. )

__________ is a generalized carrier protein that plays a major role in vertebrate blood.

Introduction to Physiological Principles

Physiological Evolution of Animals

Chemistry, biochemistry, and Cell Physiology

Neuron Structure and Function

Cellular Movement and Muscles

Sensory Systems

Functional Organization of Nervous Systems

Circulatory Systems

Immune Systems

Respiratory Systems

Locomotion

Ion and Water Balance

Digestion and Energy Metabolism

Thermal Physiology

Reproductive Physiology

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Exam 4: Cell Signaling and Endocrine Regulation

Why do steroids take so long to generate change when they bind to intracellular receptors?

The posterior pituitary is

The biogenic amine,__________,is important for invertebrates as a neurotransmitter.

There are multiple ways in which two cells in an organism can communicate with each other: gap junctions,paracrine and autocrine signals,endocrine signals,and neural signals.Discuss the advantages and drawbacks for each of these types of signals.

What endocrine gland secretes ACTH?

A signaling cell's message may affect itself as well,in a process known as __________ signaling.

The term__________ refers to any molecule that binds specifically to a protein.

The portion of the transmembrane receptor that binds to hydrophilic messengers is termed the

The communication and interspecies relationship between the Hawaiian bobtail squid,Euprymna scolopes,and the bacteria,Vibrio fischeri,is one of _____________.

The hypothalamic-pituitary portal system transports blood and neurohormones between the

If steroid hormones must be bound to protein carriers to travel through the blood,how are they able to bind to intracellular receptors? (The protein carriers cannot diffuse through the membrane. )

__________ is a generalized carrier protein that plays a major role in vertebrate blood.

Introduction to Physiological Principles

Physiological Evolution of Animals

Chemistry, biochemistry, and Cell Physiology

Neuron Structure and Function

Cellular Movement and Muscles

Sensory Systems

Functional Organization of Nervous Systems

Circulatory Systems

Immune Systems

Respiratory Systems

Locomotion

Ion and Water Balance

Digestion and Energy Metabolism

Thermal Physiology

Reproductive Physiology

Filters