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The difference between amylose and amylopectin is

Amylopectin have $1\rightarrow4 \alpha$-linkage and $1\rightarrow 6 \beta$-linkage
Amylose have $1\rightarrow4 \alpha$-linkage and $1\rightarrow 6 \beta$-linkage
Amylopectin have $1\rightarrow4 \alpha$-linkage and $1\rightarrow 6 \alpha$-linkage
Amylose is made up of glucose and galactose
Explanation:

Amylose and Amylopectin are polymers of $\alpha$-D-glucose, so $\beta$-link is not possible. Amylose is linear with $1\rightarrow4 \alpha$-linkage whereas Amylopectin is branched and has both $1\rightarrow4$ and $1\rightarrow6 \alpha$-linkages. So option (3) should be the correct option.
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