The Specific Term for a Signal That Is Made by a Cell

question 211

Multiple Choice

The specific term for a signal that is made by a cell and that diffuses to and affects a nearby cell is a(n)

• A) peptide signal.
• B) hormone.
• C) autocrine signal.
• D) paracrine signal.
• E) juxtacrine signal.

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Definitions:

Homologous Traits

Features in different species that are similar because of a common evolutionary origin, not necessarily similar in function.

Common Ancestor

The common ancestor refers to an ancestral species or population from which two or more species have evolved, highlighting the concept of evolution and shared lineage.

Extant Cetaceans

Currently living whale, dolphin, and porpoise species that are members of the order Cetacea.