Research Suppliers May Be Thought of as Consisting of Two

question 32

True/False

Research suppliers may be thought of as consisting of two groups: internal suppliers and external suppliers.

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Definitions:

Prostaglandins

A collection of biologically active lipid molecules that exhibit a variety of hormone-like actions in animals.

Leptin

is a hormone produced by fat cells that regulates food intake and energy expenditure by signaling satiety to the brain.

Growth Factors

Natural substances capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.

Melatonin

A hormone produced by the pineal gland that regulates sleep cycles.