Based on what you know about glycosidic bonds, propose a scheme for formation of covalent bonds between the carbohydrate and protein portions of glycoproteins
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Based on what you know about glycosidic bonds, propose a scheme for formation of covalent bonds between the carbohydrate and protein portions of glycoproteins
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- Create a concept map for Glycosides.How is chitin different from cellulose and amylopectin? Compare how these three oligopeptides are similar and different in terms of composition, bonds, structure and cellular roles.Compare the information in the sequence of monomers in a polysaccharide with that in the sequence of amino acid residues in a protein
- Lipids play a role as the building block of cell structure. Suggest and discuss another two functions of lipids.Glucose polymers: Which of the following is/are FALSE? a. Beta-glycosidic bonds are found in starch, glycogen and chitin b. Beta-glycosidic bonds are found in cellulose and chitin C. alpha-glycosidic bonds are found in starch and glycogen d. alpha-glycosidic bonds are found in chitin and cellulose O b,c.d O a, b, c, d а, d a,b, dExplain the differences between a monosaccharide, a disaccharide, and apolysaccharide, and give an example of each.
- From these sentences answer YES or NO, 1. Are ALL ketoses are optically active?2. Is lactose a reducing sugar?3. Does glycogen have a higher degree of branching than amylose?4. Is lactose a disaccharide made up of two units?5. Is D-ribose a component of RNA?Differentiate the class of carbohydrates and their chemistry Compare and contrast proteoglycans, glycoproteins, and glycosaminoglycans. Cite examples for eachTabulate two differences between glycogen and cellulose based on the molecular structure.
- Which is common to both glycogen and chitin? They are both storage carbohydrates. They are both structural carbohydrates. Their monomers are repeating glucose units. They form the framework of phospholipids in the plasma membrane of outer nuclear membrane.Which of the following statements regarding lipids is most accurate? 1. Lipids are synthesized by ribosomes 2. Saturated fats tend to be solid at room temperature because of the polar hydrocarbon chains 3. Saturated fats tend to be liquid at room temperature due to hydrogen bonding 4. Polyunsaturated fats tend to be liquid at room temperature due to numerous double bonds in the hydrocarbon chains 5. The empirical formula for lipids is typically C1H201When a substance such as sodium chloride is dissolved in water, the ions become completely surrounded by water molecules, forming structures called hydration spheres. When the sodium salt of a fatty acid is mixed with water, the carboxylate group of the molecule becomes hydrated, but the hydrophobic portion of the molecule is poorly hydrated, if at all. Using a circle to represent the carboxylate group and an attached squiggly line to represent the hydrocarbon chain of a fatty acid, draw a picture of how fatty acids interact with water.