A. H
B. CH3
C. COOH
D. C = O
Related Mcqs:
- 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 - The simplest amino acid is_________?
A. alanine
B. glycine
C. valine
D. phenylalanineSubmitted by: Maryam Aftab
- If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?
A. 40%
B. 45%
C. 50%
D. 71%Submitted by: Rashid Mehmood
- Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?
A. Gibberellins
B. Cytokinins
C. Auxins
D. Ethene. - Variety among amino acids is produced due to_____________?
A. NH2 group
B. COOH group
C. R group
D. All of these - An enzyme which converts a dipeptide into separate amino acids is an example of__________?
A. Decarboxylase
B. Hydrolase
C. Oxidoreductase
D. Transferase - Total number of amino acids discovered so far in cells and tissues are______________?
A. 20
B. 25
C. 150
D. 170 - Total number of amino acids in a hemoglobin molecule are__________?
A. 554
B. 564
C. 574
D. 584 - Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. Quaternary structure - helical structure is kept by the formation of _________ bonds among amino acids molecules?
A. H bonds
B. Disulphide Bond
C. Ionic bond
D. Hydrophobic bonds