You Are a Biochemist Working on a Molecule Found in a Recently

question 48

Multiple Choice

You are a biochemist working on a molecule found in a recently discovered bacterium. You determine that the molecule is composed of a chain of similar subunits and can thus conclude that the molecule is unlikely to be a

• A) lipid.
• B) nucleic acid.
• C) protein.
• D) carbohydrate.
• E) lipid or protein.

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Definitions:

Stereochemical Relationship

The relative spatial arrangement of atoms within molecules that dictates their chemical behavior and reactions, focusing on how these relationships affect molecular properties.

Fischer Notation

A method used to represent the three-dimensional structure of molecules using two-dimensional projections, particularly sugars.

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed on each other, often exhibiting different properties in a chiral environment.

Diastereomers

Stereoisomers characterized by having distinct physical properties and not being mirror reflections of one another.