Chapter Two Flashcards

0
Q

Adenosine Triphosphate ATP The compound that is the important intracellular energy source; cellular energy

A

Adenosine Triphosphate ATP

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1
Q

Acid A substance that liberates hydrogen ions when in an aqueous solution

A

Acid

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2
Q

A substance that accepts hydrogen ions; proton acceptor

A

Base

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3
Q

Organic compound composed of carbon, hydrogen, and oxygen; includes starches, sugars, cellulose.

A

Carbohydrate

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4
Q

A substance formed by living cells that acts as a catalyst in bodily chemical reactions.

A

Enzyme

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5
Q

Organic compound formed of carbon, hydrogen, and oxygen; examples are fats and cholesterol.

A

Lipid

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6
Q

Class of organic molecules that includes DNA and RNA.

A

Nucleic Acid

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7
Q

The symbol for hydrogen ion concentration; a measure of the relative acidity or alkalinity of a solution.

A

pH

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8
Q

A complex nitrogenous substances; the main building material of cells.

A

Protein

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