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Suppose a Wallpaper Whose Smallest Rotation Is 90° Has Reflection

question 95

Multiple Choice

Suppose a wallpaper whose smallest rotation is 90° has reflection lines that intersect at 90° angles. Use the flowchart in the textbook to find the standard notation for the pattern.


Definitions:

Cephalin

A class of phospholipids found in animal and plant tissues, important for the building of cell membranes.

Fatty Acid

Carboxylic acids with long aliphatic chains, which can be saturated or unsaturated, and are key components of lipids in living organisms.

Insoluble

A substance that does not dissolve in a specific solvent under certain conditions.

Phosphatidyl Choline

A major component of biological membranes, also known as lecithin, involved in membrane-mediated cell signaling and metabolism.

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