Introns

question 15

Multiple Choice

Introns

• A) are sometimes left in the mRNA sequence for alternative splicing.
• B) are removed from mRNA in the cytoplasm.
• C) are removed by a complex called the spliceosome.
• D) are considered to simply be junk DNA.
• E) are only found in eukaryotes.

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Definitions:

Exciting Things

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Two Factor Theory

A theory that explains emotions and their arousal through a combination of physiological arousal and cognitive interpretation of that arousal.

Arousal

A state characterized by both physical and mental responsiveness or awareness, commonly linked with heightened alertness and an accelerated heartbeat.

Lust

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