题目

CHE 008B A01 SS1 2025 Lecture 12 - Polysaccharides

多重下拉选择题

Assign each of the following as a particular polysaccharide. Beta-linked polyglucose: cellulose . An unbranched structure that makes up about 20% of starch amylose . A branched 1,4-alpha-linked AND 1,6-alpha-linked polyglucose found in animals glycogen . Makes up about 80% of starch: amyl pectin . A structural material: cellulose Coils up and branches approximately every 20-25 sugar residues: amyl pectin

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思路分析

We need to assign each clue to the correct polysaccharide. For clarity, I’ll go line by line and evaluate each option. 1) Beta-linked polyglucose: cellulose . - Reasoning: Cellulose is composed of β-1,4-linked glucose units, yielding a straight, unbranched polymer that forms rigid fibers in plant cell walls. This matches the clue about a beta-linked polyglucose and the structural material function. Therefore this pairing is correct when the answer option is cellulose. 2) An unbranched structure that makes up about 20% of starch amylose . - Reasoning: Amylose is a mostly linear (unbranched) polymer of α-1,4-linked glucose and constitutes rou......Login to view full explanation