BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What do we call of the bonds between nucleotides?
A
covalent bond
B
phosphodiester bonds
C
nucleotide bonds
D
all of the above
Explanation: 

Detailed explanation-1: -The Phosphodiester bond is a covalent bond which is generally formed between the phosphate group of 5′ carbon of one of the nucleotides and 3′ carbon of another nucleotide through the formation of ester linkage.

Detailed explanation-2: -A phosphodiester bond occurs between nucleotides, monomers that build nucleic acid, to form the sugar-phosphate backbone. Phosphodiester bond formation occurs by the removal of a water molecule when 2 hydroxyl groups from 2 different sugars bond with a phosphate group, thus it is known as a condensation reaction.

Detailed explanation-3: -A phospodiester bond is a covalent bond in which a phosphate group joins adjacent carbons through ester linkages. The bond is the result of a condensation reaction between a hydroxyl group of two sugar groups and a phosphate group.

Detailed explanation-4: -In chemistry, a phosphodiester bond occurs when exactly two of the hydroxyl groups ( −OH) in phosphoric acid react with hydroxyl groups on other molecules to form two ester bonds. The “bond” involves this linkage C−O−PO−2O−C.

Detailed explanation-5: -The phosphodiester bond serves as a link between two nucleotides in the DNA strand or between neighboring nucleotides.

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