Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 33

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IMPORTANT

Earn 100

Which is reducing sugar?

66.67% studentsanswered this correctly

Important Questions on Biomolecules

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 34

Many protein-based biomaterials, such as waste hair and feathers, can absorb heavy metal ions from wastewater. It has been observed that metal uptake by these materials increases in alkaline condition. The enhanced uptake in alkaline conditions is due to

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 35

Which of the statements about 'denaturation' given below are correct?

Statements:

( $i$ ) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.

( $ii$ ) Denaturation leads to the conversion of double strand of $DNA$ into single strand.

( $iii$ ) Denaturation affects the primary structure, which gets destroyed.

HARD

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 36

A reagent suitable for the determination of

N -

terminal residue of a peptide is

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 37

When

α - D -

glucose and

β - D -

glucose are dissolved in water in two separate beakers

I

and

II

, respectively and allowed to stand,

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 38

For an amino acid '

X

', the isoelectric point is

6.1

. Then

X

is

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 39

A disaccharide consisting of two

α - D -

glucose units in which

C_{1}

of one glucose is linked to

C_{4}

of another glucose unit is

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 2>Q 40

Which of the following will form the same osazone when treated with excess of phenylhydrazine?

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Chemistry Crash Course JEE Main>Chapter 4 - Biomolecules>Level 3>Q 1

The correct structure of histidine in a strongly acidic solution

(pH = 2)

is: