1. | It results due to change of temperature and pH. |
2. | It results in the loss of biological activity of proteins. |
3. | A protein is formed from amino acids linked by peptide bonds. |
4. | Uncoiling of the helical structure takes place. |
Which one is not a D-sugar:
1. | 2. | ||
3. | 4. |
Statement I: | A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. |
Statement II: | When nucleoside is linked to phosphorous acid at 5' position of sugar moiety we get nucleotide. |
1. | Statement I is false but Statement II is true. |
2. | Both Statement I and Statement II are true. |
3. | Both Statement I and Statement II are false. |
4. | Statement I is true but Statement II is false. |
1. | Thiamine | 2. | Nicotinamide |
3. | Pyridoxamine | 4. | Riboflavin |
The RBC deficiency is a deficiency disease of:
1. Vitamin B1
2. Vitamin B2
3. Vitamin B12
4. Vitamin B6
Which is the correct statement among the following?
1. | Starch is a polymer of α-glucose |
2. | Amylose is a component of cellulose |
3. | Proteins are composed of only one type of amino acid |
4. | In the cyclic structure of fructose, there are four carbons and one oxygen atom |
A compound that gives a positive Fehling solution test is:
1. | Sucrose | 2. | Glucose |
3. | Fats | 4. | Protein |
Among the following, reducing sugar is:
1. Galactose
2. Gluconic acid
3. β-methyl galactoside
4. Sucrose
Which is not a true statement:
1. | α-carbon of α-amino acid is asymmetric except glycine. |
2. | Some proteins of human body are found in L-form |
3. | Human body can synthesize all proteins they need |
4. | At pH = 7 both amino and carboxylic groups exist in ionized form |
Enzymes are made up of:
1. Edible proteins.
2. Proteins with specific structures.
3. Nitrogen-containing carbohydrates.
4. Carbohydrates.