Help on #4/5 but can someone draw out an image? Still don’t understand synthesis
ID: 280344 • Letter: H
Question
Help on #4/5 but can someone draw out an image? Still don’t understand synthesis can be disrupted by the antibiotic erythromycin by preventing ribosomal translocation Protein (movement of the ribosome relative to the mRNA). It does not affect any other step in protein synthesis. u are doing a translation reaction in vitro (i.e., in a test tube) and you add erythromycin just befo the 3rd bond in the amino acid chain is about to be formed. You wait a few minutes to allow the reaction to proceed and then look at the ribosome. 4. Which tRNA will you find in the A site? a. tRNA #2 b. tRNA #3 c, tRNA #4 d. tRNA #5 5. The carboxyl end of AA#3 should now be bonded directly to a. tRNA #3 b. tRNA #4 c, AA #2 d, AA #4
Explanation / Answer
ans- 4 the correct option is (A) i.e. tRNA#2 because it is responsible for holding the upcoming amino acid in the newly forming polypeptide chain.
ans-5 the correct option is (A) i.e. tRNA#3 because this tRNA act as a exit site
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