Enzymes Are

question 5

Multiple Choice

Enzymes are:

• A)broken down in reactions that require energy input.
• B)proteins that function as catalysts.
• C)electron carrier molecules.
• D)not needed for catabolic reactions.
• E)All of the choices are correct.

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Definitions:

Tactile Corpuscle

A type of mechanoreceptor found in the dermal papillae, particularly sensitive to light touch stimuli.

Arrector Pili Muscle

Small muscles attached to hair follicles in mammals, contraction of these muscles causes the hairs to stand on end, known as "goosebumps."

Sebaceous Gland

A tiny organ located in the skin that produces a lubricating oily substance known as sebum, which is released into the hair follicles to keep both the skin and hair moisturized.

Hair Follicles

Tubular invaginations of the epidermis from which hairs grow and are nourished.