LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following molecules has an unbranched, linear structure?
A
amylase
B
amylopectin
C
amylose
D
glycogen
Explanation: 

Detailed explanation-1: -Amylose (20–30%) is a linear (1-4)--d-glucan built up by polymerization of -d-glucopyranosyl monomers. Most starches also contain some amylose molecules which are branched to a small extent (0.1%) by -d-glucopyranose-(1-6)-substituents.

Detailed explanation-2: -Amylose is a straight linear chain of glucose molecules linked by -l, 4 glycosidic linkages as shown in Fig.

Detailed explanation-3: -amylose A long, unbranched-chain polysaccharide component of native starch that is composed of glucose units joined by -1, 4 glycosidic bonds.

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