The "Lock-And-Key" Mechanism Allows Hormones to Bind Only with Target

question 75

True/False

The "lock-and-key" mechanism allows hormones to bind only with target cells that have receptors that "fit" them exactly.

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Definitions:

Chromosomes

Threadlike structures that come in 23 pairs, with one member of each pair coming from each parent. Chromosomes contain the genetic substance DNA.

Human Cell

The basic building block of the human body, which consists of a nucleus and cytoplasm enclosed in a membrane.

Genetic Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits.

Environment

pertains to the surrounding conditions or context in which a person, plant, or animal operates, affecting growth, development, and survival.