In amylose, glucose units are linked by:
Correct answer: A. α-1,4 linkages
- A. α-1,4 linkages
- B. Both α-1,4 and α-1,6 linkages
- C. α-1,6 linkages
- D. All of the above
Explanation
The correct answer is that in amylose, glucose units are linked by α-1,4 glycosidic bonds. This linear structure differentiates amylose from amylopectin, which contains both α-1,4 and α-1,6 linkages, the latter of which contributes to its branched structure. Options suggesting α-1,6 linkages or a combination of linkages are incorrect for amylose. The presence of only α-1,4 linkages is a defining feature of amylose.
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