Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

JIPMER 2015

Exam: JIPMER
Year: 2015
Subject: Botany
Chapter: Cell - The Unit of Life

JIPMER 2015 · Botany · Cell - The Unit of Life

Ribosomes are particles about 200 Å units in diameter consisting of...

Ribosomes are particles about

200 Å

units in diameter consisting of protein and RNA. The percentage of protein and RNA is respectively

Options

A $80 \%$ and $20 \%$
B $60 \%$ and $40 \%$
C $50 \%$ and $50 \%$
D $40 \%$ and $60 \%$

Correct answer

B. $60 \%$ and $40 \%$

Step-by-step solution

Chemically, ribosomes is made up of

r

RNA

60 \%

and protein

40 \%

. These are known as protein factories as these are the sites for protein synthesis.

Practice Cell - The Unit of Life on Quantrex Academy →

More from Cell - The Unit of Life

Choose the correct statements regarding cell organelles and their inclusions. A. The… NEET 2026 The plastid that stores xanthophyll is known as __________. NEET 2026 Which of the following are characteristics of prokaryotic cells ? (a) Ribosomes are made… NEET 2026 Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are : NEET 2026 Match List-I with List-II . List-I List-II A. Cristae I. Flat membrane sacs in stroma of… NEET 2026 Cell theory was formulated by __________. NEET 2026 Mitochondrial inner membrane encloses__________. NEET 2026 Which one of the following is the site for active ribosomal RNA synthesis ? NEET 2026 Full Cell - The Unit of Life list All JIPMER PYQs