BIOL 1F90 Lecture Notes - Lecture 7: Cell Wall, Polysaccharide, Amylopectin
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1) Why might it be advantageous for a storage polysaccharide to have a branched-chain structure instead of a linear structure?
A) Compared to a linear molecule, a branched-chain polymer has less termini for addition or hydrolysis of glucose units per unit volume of polymer, thereby facilitating both the deposition and mobilization of glucose by providing more sites for enzymatic activity. | ||||||||||||
B) Compared to a linear molecule, a branched-chain polymer has more termini for addition or hydrolysis of glucose units per unit volume of polymer, thereby complicating both the deposition and mobilization of glucose by providing less sites for enzymatic activity. | ||||||||||||
C) Compared to a linear molecule, a branched-chain polymer has more termini for addition or hydrolysis of glucose units per unit volume of polymer, thereby facilitating both the deposition and mobilization of glucose by providing more sites for enzymatic activity. | ||||||||||||
D) Compared to a linear molecule, a branched-chain polymer has less termini for addition or hydrolysis of glucose units per unit volume of polymer, thereby complicating both the deposition and mobilization of glucose by providing less sites for enzymatic activity. 2) Can you foresee any metabolic complications in the process of glycogen degradation? How do you think the cell handles this?
4) Why do you suppose the structural polysaccharide cellulose does not contain branches?
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