which is not true statement 678021684

Which is not true statement?

A. $$\alpha $$ - carbon of $$\alpha $$ - amino acid is asymmetric

B. All proteins are found in $$L$$ - form

C. Human body can synthesise all proteins they need

D. At $$pH = 7$$ both amino and carboxylic groups exist in ionised form

Answer : All proteins are found in $$L$$ - form

Solution :
All proteins are not found in $$L$$ - form but they may be present in $$D$$ or $$L$$ - form.

Releted MCQ Question on
Organic Chemistry >> Biomolecules

Releted Question 1

The pair of compounds in which both the compounds give positive test with Tollen’s reagent is

A. Glucose and Sucrose

B. Fructose and Sucrose

C. Acetophenone and Hexanal

D. Glucose and Fructose

View Answer

Releted Question 2

The two forms of $$D - $$ glucopyranose obtained from the solution of $$D - $$ glucose are called

A. Isomers

B. Anomers

C. Epimers

D. Enantiomers

View Answer

Releted Question 3

Cellulose upon acetylation with excess acetic anhydride/ $${H_2}S{O_4}$$ (catalytic) gives cellulose triacetate whose structure is

View Answer

Releted Question 4

The following carbohydrate is

A. a ketohexose

B. an aldohexose

C. an $$\alpha $$ - furanose

D. an $$\alpha $$ - pyranose

View Answer

Which is not true statement?

Releted MCQ Question on
Organic Chemistry >> Biomolecules

The pair of compounds in which both the compounds give positive test with Tollen’s reagent is

The two forms of $$D - $$ glucopyranose obtained from the solution of $$D - $$ glucose are called

Cellulose upon acetylation with excess acetic anhydride/ $${H_2}S{O_4}$$ (catalytic) gives cellulose triacetate whose structure is

The following carbohydrate is

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Which is not true statement?

Releted MCQ Question on Organic Chemistry >> Biomolecules

The pair of compounds in which both the compounds give positive test with Tollen’s reagent is

The two forms of $$D - $$ glucopyranose obtained from the solution of $$D - $$ glucose are called

Cellulose upon acetylation with excess acetic anhydride/ $${H_2}S{O_4}$$ (catalytic) gives cellulose triacetate whose structure is

The following carbohydrate is

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Organic Chemistry >> Biomolecules

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Biomolecules