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Sbt 320: Bioenergetics Question Paper

Sbt 320: Bioenergetics

Course:Bachelor Of Science In Biotechnology

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2015

MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY
(MMUST)
MAIN CAMPUS
UNIVERSITY EXAMINATION
2014/2015 ACADEMIC YEAR
THIRD YEAR SECOND SEMESTER EXAM
FOR THE DEGREE
OF
BACHELOR OF SCIENCE IN
BIOTECHNOLOGY
COURSE CODE: SBT 320
COURSE TITLE:BIOENERGETICS
DATE:19/06/2015
TIME:2:00-5:00PM

INSTRUCTIONS TO CANDIDATES;
Answer all question in section A and any two in section B

Section A
1)Define the following terms as used in bioenergetics
a)Exergonic reaction (2mrks)
b)Endergonic reaction (2mrks)
c)Entropy. (1mrk)

2)Explain the absorption of amino acids from the gastrointestinal tract (5mrks)

3) Highlight any 5 facts that support Mitchell''s chemiosmotic theory (5mrks)

4)Briefly explain the process of ATP synthesis in chloroplasts (5mrks)

5)Briefly describe the cytochrome oxidase enzyme (5mrks)

6)Highlight five factors that determine diffusion of a substance (5mrks)

7)Briefly describe cyclic photophosphorylation as it occurs in plants (5mrks)

8)Briefly describe the role of oxygenases in bioenergetics of cells (5mrks)

SECTION B

9)Facilitated diffusion and active transport share many features.Discuss two with respect to transport across biological membranes. (15mrks)

10) Discuss the malate shuttle and it''s role in bioenergetics (15mrks)

11)a.Describe the glycolytic
pathway(10 marks)
b.Explain the role and balance of
the high energy compounds
generated along glycolytic
pathway(5mrks)

Sbt 320: Bioenergetics Question Paper

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