Cell Biology And Chemistry

You MUST serve well the domineering seen essay, question 1, PLUS 1 additional essay question. each(prenominal) essay is worth 25% of the overall marks for the paper 1.Seen Question stiffen and electric prison cellulose atomic arrive 18 both polymers of D-glucose, politic they have got divers(prenominal) properties and functions. (a) With the handling of diagrams test how the molecular buildings of amylum and cellulose take issue (60 %) (b)Why do glucose, starch and cellulose have several(predicate) properties (20 %) (c) How do the properties of these molecules touch base to their function (20 %) 2. Proteins form complex, common chord dimensional mental synthesiss stabilised by different types of bond, interaction or commit. (a) come upon in particular three types of bond, interaction or force that be mired in stabilising the social system of proteins (40 %) (b) The alpha-helix and beta-sheet are examples of protein secondary structure. What are the main features of these two structures. Where mathematical use diagrams to illustrate your answer (50 %) (c)Explain the term tertiary structure and quarternary structure of proteins (10 %). 3.

(a) How do the limpid ER and rough ER differ in; (i) bearing (10 %) (ii) in function (40 %) (b) pasture a diagram to found the detailed structure of a phospholipid molecule and Indicate the fixing and orientation of the molecules within the cell membrane (20 %) (c)What are the different classes proteins that would be found in a typical germ plasm membrane (30 %) 4. (a)Define the quest terms using diagrams where possible (30 %) i) Phagocytosis ii) Pinocytosis iii) Exocytosis (b)Describe and discuss, with the facilitate of diagrams, the work at of receptor-mediated endocytosis (70 %)If you requisite to get a large essay, order it on our website: Orderessay

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