MCQ
Two nucleotides are joined together by a linkage known as :
- ✓Phosphodiester linkage
- BGlycosidic linkage
- CDisulphide linkage
- DPeptide linkage

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$(A)$ Ice floats in water.
$(B)$ Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions.
$(C)$ Formic acid is more acidic than acetic acid.
$(D)$ Dimerisation of acetic acid in benzene.
$(i)$ Methylamine $(ii)$ Phosgene
$(iii)$Phosphine $(iv)$ Dimethylamine