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Which structure(s) of proteins remains(s) intact during denaturation process ?

(A)

Both secondary and tertiary structures

(B)

Primary structure only

(C)

Secondary structure only

(D)

Tertiary structure only

NEET - Medical UG-2019 Easy

Answer & Solution:

Answer : primary structure 

During protein denaturation , the protein 's various structure  get decoiled . The secondary structure produced by Sulfide bonds and hydrogen bonding get disturbed  during denaturation process . The tertiary str. also. But , primary str. is made up of amide bonds . So, they are strong bonds and do not get hydrolysed easily . So, during denaturation they remain intact . 

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Other Questions of the same topic

Q1:

The difference between amylose and amylopectin is

(A)

Amylopectin have 1 \(\rightarrow\,\,4\,\,\alpha\)-linkage and 1 \(\rightarrow\,\,6\,\,\beta\)linkage

(B)

Amylose have 1 \(\rightarrow\,\,4\,\,\alpha\)-linkage and  1 \(\rightarrow\,\,6\,\,\beta\)-linkage

(C)

Amylopectin have 1 \(\rightarrow\,\,4\,\,\alpha\)-linkage and  1 \(\rightarrow\,\,6\,\,\alpha\)-linkage

(D)

Amylose is made up of glucose and galactose

NEET - Medical UG-2018 Medium

Q2:

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :

(A)

Be

(B)

Mg

(C)

Ca

(D)

Sr

NEET - Medical UG-2019 Medium

Q3:

The non-essential amino acid among the following is:

(A)

valine

(B)

leucine

(C)

alanine

(D)

lysine

NEET - Medical UG-2019 Easy

Biology Physics

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