Each of the Following Is TRUE Regarding MRNA Except

question 8

Multiple Choice

Each of the following is TRUE regarding mRNA except

• A)a single strand of mRNA may be translated by ribosomes only once.
• B)the 3' end of mRNA in eukaryotes consists of multiple adenines, the "poly- A tail."
• C)in eukaryotes, mRNA must undergo posttranscription processing to remove introns and join exons before it can be translated.
• D)translation of mRNA in prokaryotes can occur even before the mRNA strand is completely synthesized.

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Definitions:

Deepest Stage

Refers to the most profound stage of sleep, typically associated with stage 3 and 4 of non-REM (Rapid Eye Movement) sleep, characterized by delta waves and the hardest to wake from.

Stage 4 Sleep

The deepest stage of the sleep cycle, characterized by slow-wave sleep and where the body recovers and growth hormones are released.

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by vivid dreaming, increased brain activity, and temporary paralysis of major voluntary muscles.

Barbiturates

A class of drugs that act as central nervous system depressants and are used as sedatives, hypnotics, or anesthetics.