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Anatomy Chp. 1 > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

Substance that can release hydrogen ions in detectable amounts.

A

Acid

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2
Q

Proton acceptors

A

Base

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3
Q

Provides a form of chemical energy that is useable by all body cells.

A

Adenosine triphosphate ATP

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4
Q

Organic compound composed of carbon, hydrogen, and oxygen.

A

Carbohydrate

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5
Q

Process in which molecules are formed, changed, or broken down.

A

Chemical reaction

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6
Q

Substance composed of two or more different elements, the atoms of which are chemically united.

A

Compound

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7
Q

A bond involving the sharing of electrons between atoms.

A

Covalent bond

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8
Q

A destructive chemical reaction in which complex substances are broken down into simpler ones.

A

Decomposition reaction

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9
Q

A substance that breaks down into ions when in solution and is capable of conducting an electric current.

A

Electrolyte

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10
Q

The ability to I’d work.

A

Energy

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11
Q

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

A

Enzyme

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12
Q

A chemical reaction in which bonds are both made and broken, atoms become combined with different atoms.

A

Exchange reaction

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13
Q

Weak bond, in which a hydrogen atom forms a bridge between two electron hungry atoms. Important intermolecular bond.

A

Hydrogen bond

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14
Q

A compound that lacks carbon, for example water.

A

Inorganic compound

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15
Q

Different atomic form of the same element. Isotopes vary only in the number if neutrons they contain.

A

Isotope

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16
Q

Organic compound formed of carbon, hydrogen, and oxygen.nfats and cholesterole.

A

Lipid

17
Q

Particle consisting of two or more atoms held together by chemical bonds.

A

Molecule

18
Q

Class of organic molecules that includes DNA and RNA.

A

Nucleic acid

19
Q

A compound containing carbon, proteins, carbohydrates, and fats.

A

Organic compound

20
Q

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

A

pH

21
Q

A complex nitrogenous substance, the main building material of cells.

A

Protein

22
Q

The process of spontaneous decay seen in some I’d the heavier isotopes, during which particles or energy is emitted from the atomic nucleus, results in the atom becoming more stable.

A

Radioactivity

23
Q

Isotope that exhibits radioactive behavior.

A

Radioisotope

24
Q

Ionic compound that dissociates into charged particles (other than hydrogen or hydroxyl ions) when dissolved in water.

A

Salt

25
Q

Chemical reaction in which larger molecules are formed from simpler ones.

A

Synthesis

26
Q

The outermost energy level of an atom that contains electrons, the electrons in the valence shell determine the bonding behavior of the atom.

A

Valence shell

Anatomy Chp. 1 (3 decks)

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