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8.Cell: The Unit of Life
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Mitochondria and chloroplast are
$(A)$ semiautonomous organelles
$(B)$ formed by division of preexisting organelles and they contain $DNA$ but lack protein synthesising machinery.
Which one of the following options is correct ?
A
$(A)$ is true but $(B)$ is false.
B
Both $(A)$ and $(B)$ are false.
C
Both $(A)$ and $(B)$ are correct.
D
$(B)$ is true but $(A)$ is false.
(NEET-2016)
Solution
(a) : Both mitochondria and chloroplast are semi autonomous organelles. They have their own $DNA$ which produces its own, $mRNA, tRNA$ and $rRNA$. These organelles also possess their own ribosomes and hence are able to synthesise some oftheir proteins.
Standard 11
Biology
