MCQ
$\text{DNA}$ is composed of repeating units of:
- ARibonucleosides.
- BDeoxyribonucleosides.
- CRibonucleotides.
- ✓Deoxyribonucleotides.
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$1.$ Thick wall.
$2.$ Intercellular space is present.
$3.$ Impervious to gaseous exchange.
$4.$ Contain grana.
$5.$ Contain thyllakoid.