Each of the shells has either right- or left-handed chirality. Identify which shells belong to each homochiral set. Instructions follow.

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Presentation transcript:

Each of the shells has either right- or left-handed chirality. Identify which shells belong to each homochiral set. Instructions follow.

Rotation (four fingers)of the screw Direction along screw axis Right-handed screw axis = =

Imagine slipping the four fingers of your right hand into the opening of the shell, your thumb will point to the tip of the spiral. Your right hand is better-suited for this purpose than your left hand. The right hand is homochiral with the shell.

right-handed righthanded left-handed Here are the shells again. Solutions to follow.