Q.

Match the amino acid with its correct R group.

 

Amino acid

 

R-group

PCysteineI.-CH2OH
QSerineII.

-CH2

-CH2

-COOH

RGlutamic acidIIIAromatic group
STyrosineIV)

-CH2

-SH

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a

P- I, Q – IV, R – II, S - III

b

P – IV, Q – I, R – II, S – III 

c

P – III, Q – IV, R – II, S – I 

d

P – II, Q – I, R – IV, S – III 

answer is B.

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Detailed Solution

Serine has CH2OH, Glutamic acid has 3 carbons in the R group, Cysteine has sulphur and Tyrosine has aromatic group 

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Match the amino acid with its correct R group. Amino acid R-groupPCysteineI.-CH2OHQSerineII.-CH2-CH2-COOHRGlutamic acidIIIAromatic groupSTyrosineIV)-CH2-SH