The Major Reason That Antiparallel $\beta$ -Stranded Protein Structures Are More Stable Than Parallel

question 79

Multiple Choice

The major reason that antiparallel $\beta$ -stranded protein structures are more stable than parallel $\beta$ -stranded structures is that the latter:

• A) are in a slightly less extended configuration than antiparallel strands.
• B) do not have as many disulfide crosslinks between adjacent strands.
• C) do not stack in sheets as well as antiparallel strands.
• D) have fewer lateral hydrogen bonds than antiparallel strands.
• E) have weaker hydrogen bonds laterally between adjacent strands.

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Definitions:

Retrograde Amnesia

A loss of memory-access to events that occurred or information that was learned before an injury or the onset of a disease.

Repressed Memories

Memories involuntarily hidden from conscious awareness due to their association with significant stress or trauma.

Hypnosis

A trance-like state of focused attention and increased suggestibility, with diminished peripheral awareness, often used for therapeutic purposes.

False Memories

Fabricated or distorted recollections of events that did not actually occur, often studied in psychology and memory research.