The σ70 Subunit in E

question 80

Multiple Choice

The σ70 subunit in E.coli RNA polymerase acts as a(n) ________.

• A)repressor
• B)sliding clamp
• C)helicase
• D)initiation factor

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Definitions:

Mandible

The lower jawbone in vertebrates, forming the lower part of the skull.

Mylohyoid

A muscle that forms the floor of the mouth, elevates the tongue, and depresses the jaw.

Masseter

A facial muscle that plays a crucial role in chewing by elevating the mandible (lower jaw).

Fibularis Longus

A muscle of the lower leg that helps in plantarflexion and eversion of the foot.