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Organisms that spend their entire life cycle as plankton are called .
Dextrorotatory
Describes a substance that rotates the plane of polarized light to the right, or clockwise, as seen by an observer towards the light source.
Levorotatory
Describing a substance that rotates the plane of polarized light to the left or counterclockwise.
Racemic Mixture
A mixture containing equal amounts of left- and right-handed enantiomers of a chiral molecule, making it optically inactive.
Enantiomer
One of a pair of molecules that are mirror images of each other and cannot be superimposed, often possessing different biological activities.
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