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Shown below, as a Fischer projection, is the open chain configuration of D-manno

ID: 636013 • Letter: S

Question

Shown below, as a Fischer projection, is the open chain configuration of D-mannose. What is the structure of the B-D-pyranose form of this sugar that results from the intramolecular reaction of the hydroxy group on the penultimate carbon with the carbonyl group? D Mannose CH2OH ?? CH2OH ?? HOH OH ?? ??? ?? HO Both a and c are correct. Both b and d are correct. 29. The ribonucleotide sequence, CUG, directs incorporation of the amino acid leucine into a growing peptide chain during the process of translation. This sequence, CUG, is most specifically described as which of the following? mRNA RNA A promoter sequence A codon d.

Explanation / Answer

28. answer will be e (both a and c are correct).

* structure a will be haworth projection of D-mannose.

* structure c will be chair form of D-mannose

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