Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism , fluid concentration, blood pressure, and homeostasis in the body.

Question

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Answer 1

Question

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

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Answer 2

Question

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

Answer 6

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Hormones are signaling molecules produced by the secretory cells.

Answer 7

Chapter 22, Problem 1TQ

Summary Introduction

Hormones are chemical messengers or signaling molecules secreted by the endocrine glands into body fluids. Hormones travel to target cells through the bloodstream and stimulate response. Hormones can bind only to the target cells based on the presence of specific receptors. Hormones are involved in the regulation of growth, development, metabolism, fluid concentration, blood pressure, and homeostasis in the body.

Answer 8

Expert Solution & Answer

Answer to Problem 1TQ

Hormones are signaling molecules and they coordinate various internal activities. Such internal activities are important for the growth and reproduction of an organism.

Therefore, option (c) is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Justify reasons for the correct statement:

Hormones are signaling molecules that regulate various cellular activities under specific situations in the life cycle of an organism. Secretory cells of the endocrine system produce hormones. Hormones enable communication of cells with one another. Lower concentrations of hormones can generate a large amount of internal signal in the target cells due to their specificity.

Option (c) is given as “signaling molecules”.

Hence, option (c) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “secretory cells”.

The specialized secretory cells of the endocrine system produce hormones. Hence, it is a wrong answer.

Option (b) is given as “endocrine glands”.

Secreted cells are organized into discrete organs and they are known as endocrine glands. Endocrine glands release hormones into the circulatory system for the transportation of hormones to the target cells. Hence, it is a wrong answer.

Option (d) is given as “target cells”.

Hormones travel to the target cells through body fluids and produce a response. The binding of hormones to their target cell receptors serves to exert effects of hormones. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.