MCQ
Ribosomes are made up of:
- ALipoprotein.
- BRNA.
- CProtein.
- DBoth (a) and (c).
Explanation:
The major constituents of ribosomes are the ribonucleic acid (RNA) and proteins.
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A metal in which even iron can float is:
A rectangular wooden block has length, breadth and height of 50 cm, 25cm and 10cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?