A Poison Added to an in Vitro Translation Mixture Containing

question 49

Multiple Choice

A poison added to an in vitro translation mixture containing mRNA molecules with the sequence 5′-AUGAAAAAAAAAAAAUAA-3′ has the following effect: the only product made is a Met-Lys dipeptide that remains attached to the ribosome.What is the most likely way in which the poison acts to inhibit protein synthesis?

• A)It inhibits peptidyl transferase activity.
• B)It inhibits movement of the small subunit relative to the large subunit.
• C)It inhibits release factor.
• D)It mimics release factor.

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Definitions:

History-graded Influences

events and experiences that affect a particular generation or cohort, such as wars, economic changes, and technological advancements.

Age-graded Influences

Social and cultural factors that impact individuals differently depending on their age, often structuring experiences and expectations throughout the life course.

Non-normative Life Event Influences

Pertains to unique life events that occur unpredictably and aren't common to all individuals, significantly impacting one's life trajectory differently from societal norms.

Psychosocial Development

A concept in psychology that outlines how individuals' social interactions and experiences affect their psychological growth.