MCQ
The bond between the phosphate and hydroxyl group of sugar is...........
- AGlycosidic bond
- ✓Ester bond
- CPeptide bond
- DWeak hydrogen bond
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Assertion $(A)$:All vertebrates are chordates but all chordates are not vertebrates.
Reason $(R)$:Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below: