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Enzymes, Co-Enzymes And Vitamins Question Paper

Enzymes, Co-Enzymes And Vitamins 

Course:Bachelor Of Science In Biochemistry

Institution: Egerton University question papers

Exam Year:



C.A.T 1

BIOC 300-ENZYME,CO-ENZYMES & VITAMINS

1.For each of the following enzymes,attempt a complete writing (in words) the reaction catalyzed by:

(a)Pyruvate Carboxyl-lyase

(b) glucose-2-epimerase(2 marks)

2.For each of the following reaction,identify the enzyme main Class/group,and predict the names (EC & trivial/common) of the enzymes.

(a) D-ribitol+ NAD+--------D-Ribulose+NADH+H+

(b) adenine-ribesome+H2o-------adenine+ribosome

(c) Succinate+FAD-------Fumarate+FADH2------(6 marks)

3.Differentiate:

(a) Monomeric enzymes from Ologomeric enzymes.

(b) Isoenzymes from Apoenzymes.(3 marks)

4.What is an enzyme active site?Why do enzymes posses active sites?(4 marks)




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