BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In step 6 of translation, the tRNA in the ____ site detaches and ____ its amino acids behind.
A
P, stays with
B
P, leaves
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -One end of the tRNA binds to a specific amino acid (amino acid attachment site) and the other end has an anticodon that will bind to an mRNA codon. One end of the L shape has the anticodon, while the other has the attachment site for the amino acid.

Detailed explanation-2: -Each successive tRNA leaves behind an amino acid that links in sequence. The resulting chain of amino acids emerges from the top of the ribosome. Each successive tRNA leaves behind an amino acid that links in sequence.

Detailed explanation-3: -The A site accepts an incoming tRNA bound to an amino acid. The P site holds a tRNA that carries a growing polypeptide (the first amino acid added is methionine (Met)). The E site is where a tRNA goes after it is empty, meaning that it has transferred its polypeptide to another tRNA (which now occupies the P site).

Detailed explanation-4: -After delivering the amino acids, unattached tRNA molecules are released back to the cytoplasm where these molecules again associate with the amino acids and deliver them to another translation process.

There is 1 question to complete.