Bobby Is Reading a Blog Post on the Internet

question 217

Multiple Choice

Bobby is reading a blog post on the Internet.Which of the following outlines the path through which the words on the screen travel through his eye?

• A) pupil,lens,cornea,iris
• B) cornea,pupil,lens,retina
• C) pupil,lens,iris,retina
• D) lens,pupil,retina,iris

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Definitions:

α-D-Ribofuranose

A sugar derivative where the pentose sugar ribose is in its furanose form (a five-membered oxygen-containing ring) and has a specific orientation (alpha) of the hydroxyl group attached to the anomeric carbon.

Epimers

Stereoisomers that differ in configuration at only one stereogenic center among several.

D-Arabinose

A naturally occurring pentose sugar, which is a component of many polysaccharides and glycoproteins.

D-Xylose

A sugar molecule classified as an aldopentose, which means it has five carbon atoms and contains an aldehyde functional group.