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Bioc 206: Introduction To Proteins And Nucleic Acids Question Paper

Bioc 206: Introduction To Proteins And Nucleic Acids

Course:Bachelor Of Science In Biochemistry

Institution: Egerton University question papers

Exam Year:2012

SECTION A: ANSWER ANY THREE QUESTIONS

1. Compare structural features and properties of the following proteins: collagen (15 Marks)
and serum albumin.
2. What are nucleic acids? Of what importance are nucleic acids to humans? Compare
and contrast the properties of RNA and DNA. (15 Marks)
3. What is meant by the term 'denaturation' of a protein. Mention several ways through
which denaturation can be brought about. (15 Marks)
4. Where are the following found and what are their functions? Myoglobin, Hemaglobin,
Insulin and gamma globulins. (15 Marks)
5. Give one amino acid which is not involved on making proteins. What significance
does it have in humans. (15 Marks)

SECTION B: ANSWER ALL QUESTIONS

6. What are nucleotide analogs? Of what medical importance are they? (10 Marks)
7. What kind of functional groups are found in protein side chains? Of what importance
to protein structure and function are
(a) Acidic and basic groups
(b) Sulfyhydryl groups
8. What are simple proteins, conjugated proteins? Give two examples of each type. (10 Marks)

Bioc 206: Introduction To Proteins And Nucleic Acids Question Paper

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