Choose the One Most Appropriate Answer for Each

question 59

Multiple Choice

Choose the one most appropriate answer for each.
-promoter

• A)a condensed X chromosome
• B)protein that combines with DNA all along its length
• C)attaches or detaches from operator to regulate transcription
• D)portion of the operon that binds RNA polymerase
• E)genes that induce expression of other genes
• F)genes controlling the development of the body plan
• G)the mutated form of this gene is associated with breast cancer
• H)binding sites on DNA for regulatory proteins that increase transcription rates

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Definitions:

Exocytosis

The process by which cells transport molecules out of the cell by the fusion of vesicles with the plasma membrane.

Presynaptic Terminal

The end point of a neuron where it connects to another neuron or muscle cell, releasing neurotransmitters to transmit nerve impulses.

Acetylcholine

A neurotransmitter involved in muscle activation and various functions in the central and peripheral nervous system, including memory and arousal.

ATP Molecule

Adenosine triphosphate, the primary carrier of energy in cells, facilitating energy transfer by undergoing enzymatic hydrolysis.