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Standard XII

Chemistry

Classification of Polymers

Proteins are ...

Question

Proteins are polyamides of:

β -

amino acids

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α -

amino acids

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α -

hydroxy acids

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β -

keto acids

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Solution

The correct option is C $α -$ amino acids

Proteins are natural polymers. They are large biological molecules consisting of one or more chains of $α$ - amino acids.

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Similar questions

Lysine, $H_{2} N - (C H_{2})_{4} - C H | N H_{2} - C O O H$ is ......... .
(a) $α -$ amino acid (b) basic amino acid
(c) amino acid synthesised in body (d) $β -$ amino acid

Q. Assertion(A) :

α

-amino acids are the building blocks of proteins.
Reason(R) : Natural amino acids are mostly

α

-amino acids.

Q. Assertion:

α

-amino acids are the building blocks of proteins.
Reason: Natural amino acids are mostly

α

-amino acids.

Q. Assertion :Amino acids are called

α

-amino acids. Reason: Amino acids are organic compounds containing an amino group and an acidic group as substitutes on the

α

. -carbon

Q. A mixture of

α

-amino acids is obtained when proteins are hydrolysed by:

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Proteins are polyamides of:

The correct option is C α− amino acidsProteins are natural polymers. They are large biological molecules consisting of one or more chains of α- amino acids.

The correct option is C $α -$ amino acids

Proteins are natural polymers. They are large biological molecules consisting of one or more chains of $α$ - amino acids.