The 28S, 18S and 5.8S Forms of RRNA

question 101

Multiple Choice

The 28S, 18S and 5.8S forms of rRNA:

• A) are encoded by three distinct genetic loci that are coregulated.
• B) are encoded by three distinct genetic loci that are differentially regulated according to requirements for each rRNA.
• C) are encoded by a single genetic locus whose transcript is subsequently processed.
• D) are encoded by a single genetic locus whose transcript is differentially amplified.
• E) are the result of alternate splicing of a single transcript.

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Definitions:

Secondary Reinforcer

A stimulus that has become rewarding through its association with a primary reinforcer.

Primary Reinforcer

A fundamental stimulus that fulfills a basic need or instinct, such as food for hunger, inherently rewarding without learning.

Latent Learning

Latent learning is the process by which individuals acquire knowledge subconsciously, without obvious reinforcement or immediate demonstration of that knowledge.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.