A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
A. Phosphodiester linkage
B. Glycosidic bond
C. Peptide bond
D. Hydrogen bond
Biology Mcqs
The windpipe or trachea lies?
The windpipe or trachea lies?
A. Dorsal to oesophagus
B. Ventral to oesophagus
C. Lateral to oesophagus
D. None of these
An insulin molecule consists of _________ polypeptide chains?
An insulin molecule consists of _________ polypeptide chains?
A. 1
B. 2
C. 3
D. 4
The major constituent of blood plasma is___________?
The major constituent of blood plasma is___________?
A. Protein
B. NaCl
C. Water
D. Cholesterol
Total number of amino acids discovered so far in cells and tissues are______________?
Total number of amino acids discovered so far in cells and tissues are______________?
A. 20
B. 25
C. 150
D. 170
Hunger pangs usually begin ______ after the previous meal.
Hunger pangs usually begin ______ after the previous meal.
A. 2-4 hours
B. 6-8 hours
C. 10-12 hours
D. 12-24 hours
The element in basic structure of proteins which differentiate them from carbohydrates________?
The element in basic structure of proteins which differentiate them from carbohydrates________?
A. C
B. S
C. H
D. N
How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?
How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?
A. 1
B. 2
C. 3
D. 6
In Glycin an amino acid R group is replaced by____________?
In Glycin an amino acid R group is replaced by____________?
A. H
B. CH3
C. COOH
D. C = O
Which of the following is the empirical formula of chlorophyll b?
Which of the following is the empirical formula of chlorophyll b?
A. C55H70O5N4Mg
B. C55H72O6N4Mg
C. C55H70O6N4Mg
D. C55H72O5N4Mg