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Tardigrade
Question
Biology
Due to discovery of which of the following in 1980, the evolution was termed as RNA world :
Q. Due to discovery of which of the following in 1980, the evolution was termed as RNA world :
1983
221
AIPMT
AIPMT 2001
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A
m-RNA, t-RNA- r-RNA synthesise proteins
33%
B
In some virus RNA is genetic material
35%
C
RNA have enzymatic property
29%
D
RNA is not found in all cells
3%
Solution:
Ribozymes, catalytically active RNA molecule discovered in 1980's, are self-splicing introns indicating their possible role as intermediates in the evolution of biological systems from abiotic substances.