Introduction :
Hormones are chemical substances that are specifically secreted into the blood to carry out their functions in the organs and tissues of the body. There are various kinds of hormones that influence various aspects of physical processes and activities.
Answer to Problem 3STP
Correct answer :
The correct answer is option (D) They regulate many body functions.
Explanation of Solution
Explanation/justification for the correct answer :
Option (D) They regulate many body functions. Hormones and enzymes play a crucial role in our bodies by influencing and manipulating multiple processes. Hormones are believed to activate multiple roles as chemical messengers. So, this is the correct option.
Explanation for incorrect answer :
Option (A) They act as reaction catalysts. Hormones are not the catalyst. Enzymes catalyze the reaction that occurs biologically. So this is an incorrect option.
Option (B) They control the breathing process. The medulla oblongata controls the breathing process. Hormones control and regulate the functions of the body. So, this is an incorrect answer.
Option (C) They help synthesize proteins. The hormone does not synthesize proteins but protein synthesizes hormones. So, this is an incorrect option.
Chapter 36 Solutions
Biology Illinois Edition (Glencoe Science)
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