Monday, December 23, 2013

Functional Groups

Part A
Correct
This is an amino group, NH2.
Part B
Correct
Of the choices, this is the only one that contains phosphorus.
Part C
Correct
This is a hydroxyl group.
Part D
Correct
This is a carboxyl group.
Part E
Correct
Hydroxyl groups are characteristic of alcohol.
Part F
Correct
The electronegativity of nitrogen means that amino groups tend to pick up hydrogen ions.
Part G
Correct
Thiols are characterized by the presence of a sulfhydryl group.
Part H
Correct
Phosphate groups are a component of ATP.
Part I
Correct
This is a carbonyl group.
Part J
Correct
A carbonyl group in the middle of a carbon skeleton characterizes ketones.
Part K
Correct
By donating hydrogen ions, carboxyl groups act as an acid.

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