Question

Draw cyclic structure for D-ribose and D-mannose.

Short answer

D-ribose and D-mannose

Step-by-step solution

 Structure of D-ribose

To be able to draw the cyclic structures of D-ribose and D-mannose, we must know that D-ribose is a type of sugar with a 5-carbon chain which is essential in supplying energy for our cells.

The structure of D-ribose is shown below:

Hence the structure of D-ribose was drawn.

Structure of D-mannose

Likewise, D-mannose is also a type of sugar. The structure is shown below:

Hence the structure of D-mannose was drawn.