In E. coli protein synthesis, the initiation complex contains
A.50S ribosomal subunit, 23S RNA, IF1, IF3, mRNA, fMet-tRNA.
B.30S ribosomal subunit, 5S and 16S rRNA, IF-1, IF-2, IF-3, GTP, mRNA, fMet-tRNA.
C.50S ribosomal subunit, 16S RNA, IF1, IF2, IF3, GTP, mRNA, fMet-tRNA.
D.30S ribosomal subunit, 16S RNA, IF1, IF2, IF3, GTP, mRNA, fMet-tRNA.
E.30S ribosomal subunit, 23S rRNA, IF1, IF2, IF3, GTP, mRNA, fMet-tRNA.

Question

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Phoca Phoca · Answer 1 · 2019-08-27T08:24:36+02:00

Answer:

The correct answer will be option-C.

Explanation:

The process of translation in prokaryotes is complex process and proceeds in three steps: initiation, elongation and termination.

1. Ribosomal subunits: 50S (5S and 23S subunit) and 30S (16S and proteins).

2. Initiation factors: IF1, IF-2 and IF-3 which help in the formation of assembly.

3 GTP: guanosine triphosphate as a source of energy.

4. Charged tRNA: with N-formylmethionine is the first amino acid.

5. mRNA: the RNA to be translated.

Since the option contains both 50S and 16S components of ribosome thus, Option-C is the correct answer.