Transcription Is Initiated When

question 44

Multiple Choice

Transcription is initiated when

• A) initiation factors assemble ribosomal subunits, mRNA, and initiator tRNA.
• B) RNA polymerase comes to a stop sequence.
• C) RNA polymerase binds to a region of DNA called the promoter.
• D) new nucleotides are added to an existing strand of nucleotides.

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Definitions:

Lipid

A broad class of naturally occurring molecules that include fats, waxes, and oils, characterized by their insolubility in water but solubility in nonpolar organic solvents.

IR Spectrum

Infrared spectroscopy measures and records the wavelength and intensity of infrared light absorbed by a compound, providing information about molecular vibrations and functional groups.

Lipid Wax

A type of lipid that is solid at room temperature, consisting of long-chain fatty acids and alcohols.

Synthetic Detergent

Man-made soap-like substances that can emulsify oils and hold dirt in suspension in water, used for cleaning.