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Crop 552 :Plant Biochemistry  Question Paper

Crop 552 :Plant Biochemistry  

Course:Master Of Science In Agricultural & Rural Development

Institution: Kenya Methodist University question papers

Exam Year:2014



KENYA METHODIST UNIVERSITY

FACULTY OF SCIENCE AND TECHNOLOGY

DEPARTMENT OF AGRICULTURE

END OF SEMESTER EXAMINATION FOR MASTER OF SCIENCE IN AGRICULTURAL & RURAL DEVELOPMENT, DECEMBER, 2014
UNIT TITLE : PLANT BIOCHEMISTRY
UNIT CODE : CROP 552


TIME: 3 HOURS

INSTRUCTIONS

Answer all Questions in Section A and any Two from Section B

SECTION A

Question One
Briefly describe the endosymbiont hypothesis. (5 Mks)

Question Two
Briefly explain the reactivity of Thioredoxins. (5 Mks)

Question Three
Briefly explain the following terms: (5 Mks)

Apoplast
Uniport
Porins
Grana
Nodulins

Question Four
Briefly explain how vacuoles maintain cell turgor. (5 Mks)

Question Five
Explain how tobacco mosaic virus interacts with the plasmodesmata in its propagation. (5 Mks)

Question Six
Briefly explain why nitrate assimilation is strictly controlled. (5 Mks)

SECTION B

Question Seven
Describe the Glyoxylate cycle. (15 Mks)

Question Eight
Explain the electron transport chain of photosynthesis. (15 Mks)

Question Nine
Write notes on the metabolism of crassulacean Acid. (15 Mks)




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