Which of the following is a basic amino acid?
1. Alanine
2. Tyrosine
3. Lysine
4. Serine
Which of the following metal ions activates many enzymes participating in the oxidation of glucose to produce ATP and with Na it is also responsible for the transmission of nerve signals:
1. Copper
2. Calcium
3. Potassium
4. Iron
Sucrose on hydrolysis gives:
1. -D-Glucose + -D-Glucose
2. -D-Glucose + -D-Fructose
3. -D-Fructose + -D-Fructose
4. -D-Glucose + -D-Fructose
The reaction of concentrated sulphuric acid with carbohydrates (C12H22O11) is an example of:
1. Dehydration
2. Oxidation
3. Reduction
4. Sulphonation
Deficiency of which vitamin causes osteomalacia ?
1. | Vitamin A | 2. | Vitamin D |
3. | Vitamin K | 4. | Vitamin E |
Which of the following statement is not true about glucose?
1. It is an aldohexose.
2. It contains five hydroxyl groups.
3. It is a reducing sugar.
4. It is an aldopentose.
Which structure(s) of proteins remains(s) intact during denaturation process?
1. Both secondary and tertiary structures
2. Primary structure only
3. Secondary structure only
4. Tertiary structure only
The RBC deficiency is a deficiency disease of:
1. Vitamin B1
2. Vitamin B2
3. Vitamin B12
4. Vitamin B6
The non-essential amino acid among the following is:
1. Lysine
2. Valine
3. Leucine
4. Alanine
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:
1. | Sr | 2. | Be |
3. | Mg | 4. | Ca |