MCQ
The characteristic of blue green algae is
- A$DNA $ without histone
- BNuclear membrane absent
- C$70 S$ ribosomes
- ✓All of the above
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$R =$ Lungs have residual air
$I.$ partial pressure of $O_{2}$
$II.$ partial pressure of $CO _{2}$
$III.$ hydrogen ion concentration
$IV.$ temperature
Choose the correct option