MCQ
Mitochondria and chloroplasts are semi-autonomous as they possess
- A$DNA$
- B$DNA \;+ \;RNA$
- ✓$DNA \;+ \;RNA\; +\; ribosomes$
- D$Proteins$
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$R$ : The ribosomes of the chloroplast are smaller than cytoplasmic ribosomes.
$R -$ The concentration of $CO_2$ is between $0.03$ and $0.04$ percent. Increase in concentration upto $0.005$ percent can cause an increase in $CO_2$ fixation rates.