Which Size Rings of Carbon Atoms Are Especially Abundant in Nature

question 124

Multiple Choice

Which size rings of carbon atoms are especially abundant in nature?

• A) 3 and 4 carbon atom rings
• B) 4 and 5 carbon atom rings
• C) 5 and 6 carbon atom rings
• D) 6 and 7 carbon atom rings

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Definitions:

D-Fructofuranose

A monosaccharide sugar, a structural form of fructose with a five-membered ring structure.

Ketoses

A type of monosaccharide (simple sugar) that has its carbonyl group (C=O) located at an internal carbon atom, making it a ketone.

Haworth Structure

A method for representing the cyclic structure of monosaccharides with a simple three-dimensional perspective, showing the spatial configuration of each carbon atom and its attached groups.

β-D-Ribofuranose

A sugar molecule that is a component of RNA, featuring a five-membered ring structure.