"Bio" Refers to a Gene That Governs a Cell's Ability

question 17

Multiple Choice

"Bio" refers to a gene that governs a cell's ability to synthesize biotin from inorganic precursors. What does the designation "bio⁺" indicate?

• A) that the bacterium is biologically inactive
• B) that the allele is the mutant allele
• C) that the bacterium is biologically active
• D) that the allele is normal (i.e., wild type)

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Definitions:

Anticoagulant

A substance that prohibits the coagulation of blood.

Antihistamine

A type of medication that blocks histamine, a substance in the body that causes allergy symptoms like itching, swelling, and runny nose.

Duracillin

A brand name for a type of penicillin antibiotic used to treat various bacterial infections.

Coumadin

A medication brand name for warfarin, used to prevent blood clots by thinning the blood.