Choose the One Most Appropriate Answer for Each

question 39

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 specific body parts
• G)Mechanism of equalizing gene expression between the sexes
• H)Binding sites on DNA for regulatory proteins that increase transcription rates

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Definitions:

Amine

Organic molecules and functional units which possess a nitrogen atom with a lone pair, exhibiting basic properties.

Molecules

Groups of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

Sodium Hydride

A chemical compound used as a strong base in organic synthesis, represented by the formula NaH.

Organic Reactions

Chemical reactions involving organic compounds, which are mainly composed of carbon atoms along with hydrogen, oxygen, nitrogen, and other elements.