The Role of a Leader Sequence Is to

question 8

Multiple Choice

The role of a leader sequence is to

• A) directly control transcription.
• B) determine whether transcription can proceed through the genes in the operon.
• C) determine whether RNA polymerase can bind.
• D) terminate transcription.
• E) direct the looping of the DNA that prevents transcription initiation.

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Definitions:

Spherical Cell

A cell characterized by a round shape, common in various types of unicellular organisms and some animal cells.

Columnar Cell

A type of epithelial cell that is taller than it is wide, often found lining organs such as the intestine, where it aids in absorption and secretion.

Prevent Water Loss

Mechanisms or behaviors that organisms deploy to retain moisture and avoid dehydration.

Keratinized Stratified Squamous Epithelium

This refers to a type of tissue composed of multiple layers of cells, with the outer layers being hardened by keratin, providing protection against abrasion, dehydration, and infection.