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Sbh2150:Introduction To Biochemistry Question Paper

Sbh2150:Introduction To Biochemistry

Course:Bachelor Of Crop Protection

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

QUESTION ONE – (30 MARKS)
(a) Draw a well-labeled diagram of a plant cell and mark any ten cell organelles. (10 Marks) (b) How does a plant cell differ from an animal cell? (4 Marks) (c) Explain the functions of smooth endoplasmic reticulum, vacuole and nucleolus. (6 Marks) (d) Draw the chemical structures of the following amino acids and state whether they are essential or non-essential; Alanine, Phenylalanine, Methionine, Cystein. (8 Marks) (e) On chewing some plain ugali for a few minutes, John sensed some kind of sweetness in a previously bland food, an experience he described as surprising. Explain. (2 Marks)
QUESTION TWO – (20 MARKS)
(a) Differentiate between monsaccharides and polysaccharides and give four characteristics of each. (10 Marks) (b) Differentiate between: (i) Amylase and amylopectin (2 Marks) (ii) Aldoses and Ketoses (2 Marks) (iii)Starch and cellulose (2 Marks) (iv) Nucleoside and nucleotide (2 Marks) (v) Holoenzyme and apoenzyme (2 Marks)
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QUESTION THREE – (20 MARKS)
Describe the glycolysis process. (20 Marks)
QUESTION FOUR – (20 MARKS)
Write short notes on;
(a) Storage proteins (5 Marks) (b) Essential fatty acids (5 Marks) (c) Mechanism of coenzyme action (5 Marks) (d) Significance of glycolysis (5 Marks)
QUESTION FIVE – (20 MARKS)
Proteins can be classified based on their function. Discuss any five categories of proteins in this classification

Sbh2150:Introduction To Biochemistry Question Paper

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