How Does the Eukaryotic Initiation Complex Locate the True Start

question 14

Multiple Choice

How does the eukaryotic initiation complex locate the true start codon?

• A)The true start codon is the first ATG encountered downstream of the Shine-Dalgarno sequence.
• B)The initiation complex moves the small ribosomal subunit through the 5′ UTR, scanning for the start AUG.
• C)The preinitiation complex moves the ribosome through the 3′ UTR, scanning for the Kozak sequence.
• D)The true start codon is the first ATG encountered downstream of the Kozak sequence.
• E)The true start codon is the formyl-ATG, which will encode for fMet in the protein.

---

Definitions:

Hedonism

A philosophical belief that pleasure or happiness is the highest good and ultimate aim of human life.

Altruism

The selfless concern for the well-being of others, often leading to acts of kindness or generosity without expectation of personal gain.

Egoism

A theory in ethics that treats self-interest as the foundation of morals.

Psychological Egoism

The theory that suggests individuals are driven by self-interest and all actions are motivated by personal gain.