Jennifer Suffered a Stroke at the Age of Forty Nine

question 78

Multiple Choice

Jennifer suffered a stroke at the age of forty nine.Since the stroke,she has not been able to form any new memories or process new information.However,she remembers all her friends and family members and can recount stories from her past with great accuracy.In this scenario,Jennifer most likely has

• A)Alzheimer disease,
• B)retrograde amnesia,
• C)anterograde amnesia,
• D)Parkinson's disease,

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Definitions:

Poly-A Tail

A stretch of adenine nucleotides added to the 3' end of a newly synthesized messenger RNA molecule, protecting the mRNA and aiding in its export from the nucleus.

Guanine Cap

A modified form of guanine nucleotide added to the 5' end of eukaryotic mRNA, playing a critical role in RNA stability and the initiation of translation.

Posttranscriptional Control

The regulation of gene expression at the RNA level, after the process of transcription, affecting mRNA splicing, transportation, stability, and translation efficiency.

Tumor-suppressor Genes

Genes that help regulate cell growth and division, and can prevent the development of tumors by inhibiting cell proliferation.