This class of macromolecules serves as important energy stores and is a major component of plasma membranes.

A. lipids
B. carbohydrates
C. nucleic acids
D. proteins
E. ions


A. lipids

Biology & Microbiology

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A specific chemical product of microbes, plants, and some animals that is poisonous to other organism is called a toxin.

a. true b. false

Biology & Microbiology

________ are cell adhesion proteins that some cells use in the process of differentiation during development.

A. Receptors B. Cadherins C. Phospholipids D. Glycospheres

Biology & Microbiology

_________ speciation occurs within a species in a single geographic area.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Enzymes known as lyases participate in ________ reactions

A) anabolic B) catabolic C) both anabolic and catabolic D) neither anabolic nor catabolic E) oxidation-reduction

Biology & Microbiology