Mountains Produce

question 19

Multiple Choice

Mountains produce

• A)rain shadows on the windward sides.
• B)precipitation on the leeward sides.
• C)deserts on the leeward sides.
• D)extensive grasslands in the upper elevations on the windward sides.
• E)any of these.

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Definitions:

Structural Genes

Genes that code for proteins which serve as building blocks for cells and tissues or operate in metabolic or physiological processes.

Regulatory Sequences

Segments of DNA that are involved in controlling the activity of genes, including when, where, and how much of a gene product is made.

Constitutive

Expressed continuously under normal physiological conditions, not subject to regulation by environmental conditions.

Lac Operon

A set of genes involved in the metabolism of lactose in bacteria, along with their promoter and operator sequences that control their expression.