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Bioc 204: Basic Biochemistry Question Paper

Bioc 204: Basic Biochemistry 

Course:Bachelor Of Science In Biochemistry

Institution: Egerton University question papers

Exam Year:2012



ANSWER ALL QUESTIONS

1.Using structural formulae, illustrate the following: (8 Marks)
(a) alpha and beta anomers of D-glucose
(b) D and L isomers of glucose
(c) A peptide bond
(d) A glycosidic bond
(e) A keto-hexose
2.Glucose and galactose are C4 epimers, illustrate with the use of structural formulae (5 Marks)
3. State the structural and functional differences between DNA and RNA. (6 Marks)
4. List the functions of nucleotides in biological systems. (5 Marks)
5. Cytosine, Uracil, Thymine and Pyrimidines. Give their systematic names. (6 Marks)
6. List five characteristics of enzymes. (5 Marks)
7. Explain the different types of enzymes specificity as exhibited in enzymatic
reactions. (5 Marks)
8. Discuss the factors that affect enzyme activity. (10 Marks)
9. Discuss the structural levels of proteins. (10 Marks)
10.Describe the citric acid cycle and explain why its an amphibolic pathway. (10 Marks)




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