Biomolecules till living state

Hydroxyl methyl containing amino acid -

• Glycine

• Alanine

• Serine

• Threonine

Select the odd one out with respect to proteins.

• Insulin

• Inulin

• GLUT-4

• Trypsin

Statement 1 - Tertiary structure is necessary for biological activity of proteins.

Statement 2 - In a DNA molecule two strands of polynucleotides are parallel and complementary to each other.

• Both the Statements are correct

• Both the Statements are incorrect

• Statement 1 is correct only

• Statement 2 is correct only

1 - Oils have lower melting point and hence remains as oil in winters.

2 - Exoskeletons of arthropods, for example, have a simpler polysaccharide.

3 - Palmitic acid has 16 carbons including carboxyl carbon

4 - Lecithin are generally water soluble.

• 1, 2 , 3 are correct

• 2 and 3 are correct

• 1, 2 are correct

• 1, 3 are correct

Statement 1 - Secondary structure of proteins occurs only in the form of helices.

Statement 2 - Adenine and Guanine are substituted purines.

• Both are correct

• Both are incorrect

• Statement 1 is correct only

• Statement 2 is correct only

S 1 - Some secondary metabolites have ecological importance.

S 2 - Phospholipids are present in cell membrane.

• Both are correct

• Both are incorrect

• S 1 is correct only

• S 2 is correct only

Assertion - Biomolecules which are found in acid insoluble pool are considered as Biomicromolecules.

Reason - Biomolecules which are found in acid insoluble pool have molecular weight less than 1000 Dalton.

• A and r are correct and R is the correct explanation of A

• A and r are incorrect and R is not the correct explanation of A

• A is correct only but R is incorrect.

• A is incorrect only but R is correct.

Odd one out with respect to secondary and primary metabolites

• formation of nucleotides

• formation of some compounds and anti nutritional agent to avoid herbivory

• fatty acid esterified with glycerol

• formation of peptide bond to make a protein

A segment of DNA has 30 percent Adenine .Tell me the percentage of Guanine?

• 30

• 70

• 40

• 20

S 1 - The Cellulose-I₂ is blue in colour.

S 2 - Cellulose does not contain complex helices and hence cannot hold I2 .

• Both A and R are correct and R is the correct explanation of A

• Both A and R are incorrect and R is the correct explanation of A

• A is correct but R is incorrect

• A is incorrect but R is correct