During Initiation of Translation

question 76

Multiple Choice

During initiation of translation:

• A) the initiator tRNAmet binds to the A site of a ribosome.
• B) specific rRNA base pairs with a sequence in mRNA to position a ribosome at the start codon.
• C) IF-3 must be recruited to the 30S ribosome in order for the 70S initiation complex to assemble.
• D) there is no energy expenditure as the tRNA binding to mRNA is via complementary base pairing.
• E) both 70S and 30S ribosome subunits must simultaneously recognize an mRNA to bind.

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