Bota 426: Cell And Molecular Biology Y4s2 Question Paper
Bota 426: Cell And Molecular Biology Y4s2
Course:Bachelor Of Education Science
Institution: Kabarak University question papers
Exam Year:2009
KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009 ACADEMIC YEAR FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: BOTA 426
COURSE TITLE: CELL AND MOLECULAR BIOLOGY
STREAM: Y4S2
INSTRUCTIONS TO CANDIDATES:
Answer ALL the questions in SECTION (A) and any TWO (2) questions in SECTION (B)
SECTON A (40 MARKS)
1. Describe the three types of integral proteins (9marks)
2. Explain why plant leaves appear green to our eyes (5marks)
3. State the difference between absorption spectrum and an action spectrum (5marks)
4. (a) Explain the role of light harvesting antenna pigments in photosynthesis (7marks)
(b) Give an account of Na+
- K+
pump in a cell. (7marks)
5. Explain what porins are. (7marks)
SECTION B (30MARKS)
INSTRUCTIONS: Answer 2 questions from this section.
6. Discuss the structure and the function of the mitochondrion (15marks)
7. Plasma membrane is one of the most important parts of a cell. Give an account of its
Structure And function. (15marks)
8. Discuss the membrane proteins. (15marks)
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