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Biology > Ch 2A-2 > Flashcards

Ch 2A-2 Flashcards

0
Q

Energy of motion

A

Kinetic

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1
Q

The Ability to do work

A

Energy

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2
Q

Stored Energy

A

Potential

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3
Q

Energy can’t be created or destroyed

A

The First Law Of Thermodynamics

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4
Q

Kinetic Energy

A

Energy of Motion

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5
Q

Potential Energy

A

Stored Energy

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6
Q

Endothermic Reaction

A

Absorbs Heat

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7
Q

Gives off Heat

A

Exothermic Reaction

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8
Q

A ________ changes the rate of reaction but is not changed in the reaction

A

Catalysts

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9
Q

Solution

A

Homogeneous mixture of one or more substance

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10
Q

Movement of molecules from an area of higher concentration to a low concentration is ______

A

Diffusion

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11
Q

When the concentration evens out it is at a state of _______

A

Equilibrium

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12
Q

The difference between the number of one type of molecule in two adjacent areas is_____________

A

Concentration Gradient

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13
Q

Membrane that has pores that allow some things through and not others ___________

A

Semi peremable

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14
Q

Movement of water through a semipermeable membrane is _______

A

Osmosis

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15
Q

Energy which is required for diffusion and osmosis ________

A

Kentic

16
Q

Acid is a compound that releases _______ in water

A

Hydrogen

17
Q

Base is a compound that released _______ in water

A

hydroxide

18
Q

When an acid and base are put together they

A

Neutralize

19
Q

Acidity is expressed as ________ levels or numbers

A

Ph

20
Q

Acid has a pH of ___ to ___

A

0 to 7

21
Q

A base has pH of ___ to ___

A

7 to 14

22
Q

why would you take an antacid

A

Too much acid in you

23
Q

Substance that will combine h4 or OH- depending which is more abundant

A

Buffer

24
Q

Buffer are used in living system to

A

Regulate Blood

25
Q

Blood maintain a pH of ____ to ______ by the help of buffers

A

7:35 to 7:45

26
Q

Enzymatic =

A

Enzymes

27
Q

storage =

A

Stores energy

28
Q

Structural

A

compounds that are used for buildings blocks

29
Q

Organic compounds have _______ in them usually in conjunction with large quantities of _____ and _____

A

Carbon
Hydrogen
Oxygen

30
Q

enzymes are proteins which serve

A

Catalysts for specific Reactions

31
Q

catalysts speed or slow or slow a reaction enzymes also

A

Speed up

32
Q

List the characteristics of enzymes

A

Protons
Work together
Very specific

Biology (33 decks)

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