The correct statements regarding "Denaturation" are:
(a) | Denaturation of proteins causes the loss of secondary and tertiary structures of the protein. |
(b) | Denaturation leads to the conversion of a double strand of DNA into a single strand. |
(c) | Denaturation affects the primary structure which gets distorted. |
1. (a), (b) and (c)
2. (b) and (c)
3. (a) and (c)
4. (a) and (b)
Which of the following is not a fat-soluble vitamin?
1. Vitamin A
2. Vitamin B complex
3. Vitamin D
4. Vitamin E
Fructose reduces Tollen's reagent due to:
1. | Primary alcoholic group |
2. | Secondary alcoholic group |
3. | Enolisation of fructose followed by conversion to aldehyde by base |
4. | Asymmetric carbon |
-D-glucose and β-D-glucose are:
1. Epimers
2. Anomers
3. Functional isomers
4. Chain isomers
The base found in DNA but not in RNA:
1. | Thymine | 2. | Adenine |
3. | Guanine | 4. | Cytosine |
Sucrose on hydrolysis gives:
1. L(+) Glucose + D(+) Fructose
2. L(–) Glucose + L(–) Fructose
3. D(+) Glucose + D(–) Fructose
4. D(+) Glucose + L(–) Fructose
The compound that does not reduce Fehling solution is:
1. Glucose
2. Fructose
3. Sucrose
4. Maltose
The hormone that helps in the conversion of glucose to glycogen is:
1. Bile acids
2. Adrenaline
3. Insulin
4. Cortisone
The structure that represents the peptide chain is:
1. | |
2. | |
3. | |
4. |
The helical structure of a protein is stabilized by:
1. | Hydrogen bonds | 2. | Ether bonds |
3. | Peptide bonds | 4. | Dipeptide bonds |