To explain the mechanism of enzymatic action, who proposed 'Lock and k – InterviewSolution

InterviewSolution

1.	To explain the mechanism of enzymatic action, who proposed 'Lock and key hypothesis'A. FischerB. JacobC. KoshlandD. Sumner
Answer» Correct Answer - A (a) Lock and key theory : Emil Fischer proposed this theory, according to which on the surface of enzymes a few elevations and ditches are found known as active sites and enzymes bind reactants on these sites to create reaction between them.

Discussion

No Comment Found

Related InterviewSolutions

The total number of basic groups in the following form of lysine is : .
The total number of basic groups in the following form of lysine is
Dihydroxyacetone-3 phosphate and glyceraldehyde-3-phosphate are interconvertible. The enzyme responsible for this interconversion belongs to the cateogry ofA. isomerasesB. ligasesC. lyasesD. hydrolases.
Which of the following enzyme is a hydrolase ?A. AmylaseB. Histidine decarboxylaseC. Pyruvate carboxylaseD. Both (2) & (3)
Which one is diaminodiacrboxlic amino acidA. CystineB. LysineC. CysteineD. Aspartic acid
Lipids that insulate the nerve fibre areA. LecithinB. CholesterolC. SuberinD. Glycolipids
Match column I with column II and select the correct option from the given codes. `{:(" Column I",," Column II"),("(Category)",,"(Secondary metaboliteis)"),(A."""Pigments ",,(i)"Concanavalin A"),(B."" "Terpenoides",,(ii)"Monoterpenes, diterpenes"),(C."" "Alkalods",,(iii)"Morphine, codeine"),(D.""" Lectins",,(iv) "Carotenoids, anthocyanins"):}`A. `A-(iv), B-(ii), C-(iii), D-(i)`B. `A-(iv), B-(iii), C-(ii), D-(i)`C. `A-(iv), B-(i), C-(iii), D-(ii)`D. `A-(i), B-(iii), C-(ii), D-(iv)`
A secondary metabolite that acts as a toxin isA. CarotenoidsB. CurcuminC. AbrinD. Monoterpenes
The most abundant molecule in cell isA. WaterB. CarbohydratesC. LipidD. Protein
Lecithin is a ?A. carbohydratesB. hormonesC. vitaminsD. phospholipids