The Lac Operon Is Under What Type of Control

question 31

Multiple Choice

The lac operon is under what type of control?

• A) positive control
• B) negative control
• C) The gene would be expressed constitutively.
• D) It depends on what the gene encodes.

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Definitions:

Prereproductive Individuals

Organisms that have not yet reached sexual maturity and thus are not capable of reproduction.

Survivorship Curve

A graph showing the number or proportion of individuals surviving to each age for a given species or group.

R-selected

A trait in certain species characterized by high reproduction rates, many offspring, and minimal parental care.

Eggs

Reproductive cells produced by female organisms in many species, including birds, reptiles, amphibians, most fish, and certain mammals; also, a common food source.