Answered

The main purpose of proteins is to:

A. build and maintain body tissue.
B. protect body organs and membranes.
C. help regulate body temperature.
D. provide energy for the brain.



Answer :

Final answer:

Proteins are crucial for various functions in living organisms, including maintaining cell shape, building body tissues, and regulating body functions.


Explanation:

Proteins are essential molecules that serve numerous functions in living organisms. They help maintain cell shape, form muscle tissues, act as enzymes to speed up chemical reactions, carry messages, and more.

One crucial function of proteins is their role in building, repairing, and maintaining body tissues, including muscles, skin, and organs. They are indispensable for overall growth, development, and health.

Proteins also play a key role in regulating body functions by acting as hormones, such as growth hormone, which is vital for skeletal growth and other physiological processes.


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