Macromolecules Question
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Consider the formation of hemiacetal cyclic form of glucose from the aldehyde form of glucose. The oxygen atom that becomes a part of the "OH" group on the #1 carbon atom in the cyclic form was originally, in the aldehyde form, .
- the oxygen in the alcohol group on the #5 carbon
- the oxygen in the alcohol group on the #4 carbon
- the oxygen in an ether linkage
- the oxygen in the alcohol group on the #6 carbon
- an oxygen in a carbonyl group