BIOMOLECULES AND ENZYMES

BIOLOGY

STRUCTURE OF PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
tRNA brings the anticodons to the ____
A
Nucleous
B
Ribosome
C
DNA
D
Chromosome
Explanation: 

Detailed explanation-1: -A tRNA with the complementary anticodon is attracted to the ribosome and binds to this codon. The tRNA carries the next amino acid in the polypeptide chain. The first tRNA transfers its amino acid to the amino acid on the newly arrived tRNA, and a chemical bond is made between the two amino acids.

Detailed explanation-2: -Each tRNA molecule has two distinct ends, one of which binds to a specific amino acid, and the other which binds to the corresponding mRNA codon. During translation, these tRNAs carry amino acids to the ribosome and join with their complementary codons.

Detailed explanation-3: -tRNA carries anticodons, allowing it to bind to mRNA in the active site of a ribosome. It can then transfer its amino acid residue to the ribosome, where it is incorporated into the growing polypeptide chain. The tRNA molecule is the released from the ribosome and recycled.

Detailed explanation-4: -tRNA has a very specific purpose: to bring protein subunits, known as amino acids, to the ribosome where proteins are constructed.

Detailed explanation-5: -The anticodon enables the tRNA to recognize the codon through complementary base pairing. The events in protein synthesis are catalyzed on the ribosome, which consists of two subunits; each subunit consists of several proteins associated with a long RNA (rRNA).

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