NEET · Biology · STD 11 - 9. Biomolecules

Which of the following biomolecules does have a phosphodiester bond ?

A Amino acids in a polypeptide
B Nucleic acids in a nucleotide
C Fatty acids in a diglyceride
D Monosaccharides in a polysaccharide

Verified Solution

Answer & Solution

Correct Answer

(B) Nucleic acids in a nucleotide

Step-by-step Solution

Detailed explanation

(b)

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Match the following columns and select the correct option

Column \(I\)	Column \(II\)
(\(a\)) Smooth endoplasmic reticulum	(\(i\)) Protein synthesis
(\(b\)) Rough endoplasmic reticulum	(\(ii\)) Lipid synthesis
(\(c\)) Golgi complex	(\(iii\)) Glycosylation
(\(d\)) Centriole	(\(iv\)) Spindle formation

NEET 2020 Easy

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Identify the incorrect statement, regarding the molecule \(XeO_4\) :

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Match List \(- I\) with List \(- II.\)

List \(- I\)	List \(- II\)
\((a)\) Scapula	\((i)\) Cartilaginous joints
\((b)\) Cranium	\((ii)\) Flat bone
\((c)\) Sternum	\((iii)\) Fibrous joints
\((d)\) Vertebral column	\((iv)\) Triangular flat bone

Choose the correct answer from the options given below. \((a)- (b) -(c) -(d)\)

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Column \(-I\)	Column \(-II\)
\((A)\) Gonorrhoea	\((i)\) HIV
\((B)\) Syphilis	\((ii)\) Neisseria
\((C)\) Genital warts	\((iii)\) Treponema
\((D)\) AIDS	\((iv)\) Human papilloma virus