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- a.) Explain how DFD meat has a high water holding capacity but is described as dry? b.) Why is it important to have relaxed animals together? c.) What is the difference between amylose and cellulose?Describe the basic structure of a plant cell wall. Describe the structure of cellulose and the function of cellulose in the plant cell wall. Describe the general outline of cellulose decomposition.In collagen, what is the greatest level of protein structure?
- Describe the primary, secondary, tertiary and quaternary structure of collagen.What is the highest level of protein structure found in collagen?a) Describe the structure of cholesterol and state the function in the cell membrane component. b) Describe the structure of a phospholipid and state its function in the cell membrane.
- The most important high-energy bond in a molecule of ATP is between: O A) the nitrogenous base and the first phosphate group O B) the ribose sugar and the nitrogenous base O C) the second and third phosphate groups O D) the ribose sugar and the first phosphate group(i) Write the name of two monosaccharides obtained on hydrolysis of lactose sugar.(ii) Why Vitamin C cannot be stored in our body?(iii) What is the difference between a nucleoside ’ and nucleotide?(a) Cholesterol is a lipid yet does not form membranes like the membrane lipids and is not used to store energy like the storage lipids. Explain. b) Glycerophospholipids and sphingolipids form membranes but triacylglycerols do not. Why? (c) Triacylglycerols are used for long term energy storage but glycogen and starch are used for short term energy storage. Explain
- Which of the following membrane lipids have a direct glycosidic linkage between the head- group sugar and the backbone glycerol? a) Ether lipids b) Sphingolipids c) Glycolipids d) Phospholipids (Ctrl) - TPhospholipids undergo saponification much like triglycerides. Draw the structure of a phospholipid meeting the followingcriteria. Then draw the products that would result from its saponification.(a) a cephalin containing stearic acid and oleic acid (b) a lecithin containing palmitic acidIn which of the following, glucose residues are linked by B1 &arr; 4 glycosidic bonds? a) Starch b) Cellulose c) Glycogen d) Amylose