Chapter 2 Flashcards

0
Q

Decomposition reaction within cells

A

Catabolism

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1
Q

Energy of motion

A

Kinetic Energy

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2
Q

Stabilizes pH

A

Buffer

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3
Q

Stored energy

A

Potential energy

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4
Q

Acts as a catalyst to speed up chemical reaction

A

Enzyme

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5
Q

Positively charged ion

A

Cation

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6
Q

Two atoms of same element with different number of neutrons

A

Isotope

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7
Q

Synthesis of new compounds in the body

A

Anabolism

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8
Q

Dissolved material in solution

A

Solute

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9
Q

Liquid portion of solution

A

Solvent

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10
Q

The substance that is acted upon by an enzyme

A

Substrate

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11
Q

Shuffling around of reacting molecules

A

Exchange Reaction

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12
Q

Atoms with unfilled outer shells

A

Chemical Bond

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13
Q

Chemical bonds created by electrical attraction between cations and anion

A

Ionic Bond

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14
Q

Chemical bond created by atoms sharing electrons in outershell

A

Covalent Bond

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15
Q

Amount of energy required to start a reaction

A

Activation energy

16
Q

Release energy

A

Exergonic

17
Q

Require energy

A

Endergonic

18
Q

Contain carbon and hydrogen; larger

A

Organic Molecule

19
Q

Smaller and dont contain hydrogen

A

Inorganic Molecule

20
Q

Animal starch; energy for muscles and liver

A

Glycogen

21
Q

Muscular contractions

A

Movement

22
Q

Chain of amino acids linked in peptide bonds

A

Proteins

23
Q

Store and process info @ molecular level

A

Nucleic acids