Hormones Often Cause a Cell to Elicit Multiple Responses; This

question 101

Multiple Choice

Hormones often cause a cell to elicit multiple responses; this is because .

• A) there are thousands of receptors on the cell membrane
• B) during protein kinase activation, enzymes phosphorylate many other enzymes
• C) the receptors bind to several hormones at the same time
• D) the protein kinases are rapidly metabolized into functional amino acids

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Definitions:

Visible Light

The part of the electromagnetic spectrum that stimulates the eye and produces visual sensations.

Cosmic Rays

High-energy particles, originating outside the solar system, that travel through space and strike the Earth's atmosphere.

Ultraviolet Rays

Invisible radiation with wavelengths shorter than visible light but longer than X-rays, capable of producing chemical reactions and causing harm to skin and eyes.

Visual Field

The entire area that can be seen when the eye is directed forward, including peripheral vision.