1. Which of the following are NOT functions of aminoacyl tRNA synthase? (You may

Question

1.

Which of the following are NOT functions of aminoacyl tRNA synthase? (You may mark more than one answer.)

Select one or more:

a. Form a bond between tRNA and amino acid

b. Read the codon on the mRNA molecules.

c. Enter the ribosome brining the next amino acid along with it.

d. Read the anticodon on the tRNA.

e. Couple ATP-->AMP with addition of amino acid to tRNA.

2.

Which best describes the role of a "terminator" sequence?

Select one:

a. Shows DNA polymerase where to terminate DNA replication.

b. Specialized sequence found a the ends of eukaryotic chromosomes

c. None of the above.

d. Encodes a stop codon to signal the end of translation.

e. Signals the end of tanscription.

Explanation / Answer

1. c. Enter the ribosome brining the next amino acid along with it.

Explanation:- An aminoacyl tRNA synthetase (aaRS) is an enzyme that attaches the appropriate amino acid onto its tRNA. It does so by catalyzing the esterification of a specific cognate amino acid or its precursor to one of all its compatible cognate tRNAs to form anaminoacyl-tRNA.

2. e. Signals the end of tanscription.

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