Jamal Is Trying to Buy Something Over the Phone

question 93

Multiple Choice

Jamal is trying to buy something over the phone. He asks his partner to read him his credit card number. However, when he tries to repeat it to the sales clerk on the other end of the line, he can't remember all the numbers. Jamal is coming up against

• A) the decay of numerical memor.
• B) the extinction of auditory traces.
• C) George Miller's magic number 7, plus or minus 2.
• D) the limits of procedural memory.
• E) the problem of absent-mindedness.

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Definitions:

tRNA

Transfer RNA; a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during protein synthesis.

Regulator Gene

A gene involved in controlling the expression of one or more other genes, often by producing a protein that can enhance or suppress gene activity.

Transcription

The process of converting DNA into RNA, specifically messenger RNA (mRNA), which then directs protein synthesis.

Repressor Molecule

A protein that inhibits gene expression by binding to the operator or associated silencers.