- Which one of the following has large dissociation constant?
a. Strong Acid
b. Weak Acid
c. Neutral compound
d. Independent value - In a buffer __________act as proton donor?
a. Weak acid
b. Base
c. Conjugate base
d. Aqueous medium - The amino acid Phenylalanine is symbolically represented by the letter?
a. P
b. F
c. E
d. D - Which one amino acid has an aromatic R?
a. Proline
b. Tyrosine
c. Arginine
d. Leucine - Which one is Sulphur containing amino acid?
a. Serine
b. Threonine
c. Cysteine
d. Valine - Which one of the conjugated proteins is a phosphoprotein?
a. Immunoglobulin
b. Casein
c. Hemoglobin
d. Ferritin - Which metal ion is present in dinitrogenase?
a. Fe
b. Mo
c. Cu
d. Zn - Which one of the following is flavoprotein?
a. Succinate dehydrogenase
b. Ferritin
c. Plastocyanin
d. None - The arrangement of molecules of protein spatially is called as __?
a. Packing
b. Arrangement
c. Conformation
d. Symmetry - Protein final and physiological structure is also called as __.
a. Primary protein
b. Active protein
c. Native protein
d. Stable protein - The ability to maintain the final, physiologic structure of a protein is called __?
a. Regularity of protein
b. Symmetry of protein
c. Activity of protein
d. Stability of protein - A protein contains 6 polypeptide fragments, each having 10 amino acids? How many peptide bonds are present in that protein?
a. 60
b. 58
c. 56
d. 54 - How many coordinated bonds form iron with nitrogen inside the porphyrin ring of heme?
a. 2
b. 4
c. 6
d. 8 - Which one is correct for T Hemoglobin?
a. R State
b. Relaxed
c. Oxygen absent
d. All are correct - The partial pressure of oxygen in the lungs is about?
a. 13 kPa
b. 4 KPa
c. 30 KPa
d. 1 KPa - Cu+2 is a cofactor for enzymes?
a. Cytochrome oxidase
b. Catalase
c. Peroxidase
d. Pyruvate kinase - The cofactor of Urase is __?
a. Ni+2
b. Mo+
c. Zn+2
d. K+ - Formation of COC, COS, COO, CON Bonds is the duty of the group of enzymes called as _?
a. Transferase
b. Lyases
c. Ligases
d. Isomerases - Which one of the following is a heteropolysaccharide?
a. Starch
b. Glycogen
c. Cellulose
d. None - Dextran’s is polysaccharides found in_____________.
a. Bacteria
b. Yeasts
c. Both
d. None - Not true in the case of chitin?
a. Homopolymer
b. Monomer is N-Acetylglucoamine
c. Glycosidic linkage is Beta 1 -4
d. All are true - Size of agarose is about ____ monomeric units?
a. 50
b. 100
c. 1000
d. 100,000 - The carbon skeleton of lauric acid composed of _________carbons?
a. 10
b. 12
c. 14
d. 22 - Sphingolipids have ________non-polar tails?
a. 1
b. 2
c. 3
d. 4 - Which one is not a lipid?
a. Sulpholipids
b. Ceramide
c. Cardiolipin
d. All are lipids
Note: One thing to keep in mind is that if you want to get some benefit, you have to solve the Quiz first, and then you have to look at the key given below..