EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The protein synthesis takes place in .
A
Ribosomes
B
Chromosomes
C
DNA
D
None of these
Explanation: 

Detailed explanation-1: -The ribosome is universally responsible for synthesizing proteins by translating the genetic code transcribed in mRNA into an amino acid sequence. Ribosomes use cellular accessory proteins, soluble transfer RNAs, and metabolic energy to accomplish the initiation, elongation, and termination of peptide synthesis.

Detailed explanation-2: -Ribosomes are the sites in a cell in which protein synthesis takes place.

Detailed explanation-3: -Translation is the process of protein synthesis and occurs on ribosomes where mRNA come from the nucleus and attached to the ribosome and in the presence of ribozyme and tRNA in ribosome mRNA translates the codon for protein synthesis.

Detailed explanation-4: -Proteins are synthesized on the rough ER. Those that are processed are inserted cotranslationally into the ER. Such insertion requires the presence of a signal peptide at the N terminus, which is recognized by a specific receptor (docking protein) on the ER membrane.

Detailed explanation-5: -Protein synthesis occurs in cellular structures called ribosomes, found out-side the nucleus. The process by which genetic information is transferred from the nucleus to the ribosomes is called transcription.

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