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1. |
How many ribosomal binding sites are there and what are their functions? |
A. | There are three sites. A site binds aminoacyl-tRNA, P site binds peptidyl-tRNA, E site binds free tRNA before ribosomal exit |
B. | There are three sites. A site binds peptidyl-tRNA, P site binds aminoacyl-tRNA, E site binds free tRNA before ribosomal exit |
C. | There are two sites. A site binds free tRNA before ribosomal exit, P site binds aminoacyl-tRNA |
D. | There are three sites. A site binds free tRNA before ribosomal exit, P site binds aminoacyl-tRNA, E site binds peptidyl-tRNA |
Answer» B. There are three sites. A site binds peptidyl-tRNA, P site binds aminoacyl-tRNA, E site binds free tRNA before ribosomal exit | |