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Human Anatomy And Physiology / Lab > Lecture 3 Slides > Flashcards

Lecture 3 Slides Flashcards

1
Q

Matter

A

Anything that has mass and occupies space

Can be solid, liquid, or gas

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2
Q

Atom

A

Basic building block of matter composed of protons, neutrons, and electrons

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3
Q

Element

A

Composed of only one type of atom

Cannot be broken into simpler components

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4
Q

Molecule

A

Two or more same kind or different kinds of atoms chemically joined together

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5
Q

Compound

A

Two or more different kinds of atoms chemically joined together

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6
Q

Major elements of the body that is about 96% of body mass

A

O

C

H

N

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7
Q

Energy

A

Capacity to do work or put matter into motion

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8
Q

Types of energy

A

Kinetic and potential

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9
Q

Kinetic

A

Energy in motion

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10
Q

Potential

A

Stored energy in chem. bonds

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11
Q

Chemical reactions occur when

A

bonds are formed, rearranged, or broken

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12
Q

Synthesis

A

A+B → AB

Anabolic

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13
Q

Decomposition

A

AB →A+B

catabolic

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14
Q

Exchanged/rearanged

A

AB+C →AC+B

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15
Q

Exergonic

A

Release energy

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16
Q

Endergonic

A

Absorb energy

17
Q

All chem reactions are

A

Reversible

18
Q

Chemical equilibrium

A

When neither forward or reverse reaction

19
Q

Many biological reactions are irreversible due to

A

Energy requirements

Removal of products

20
Q

Rate of reaction is influenced by

A

High Temp (which increases rate)

Low particle size (which inseases rate)

High concentration of reactant which increases rate)

21
Q

Catalysts

A

Increase rate without chem. Change

22
Q

Enzymes are

A

Biological catalysts that regulate and promote all chem. Reactions in cells

23
Q

Biochemistry

A

Study of chem. Comp. And reactions of living matter

24
Q

Inorganic compounds

A

Water salts and many acids and bases

Do not contain carbon

25
Q

Organic compounds

A

Carbs., fats, proteins, nucheic acids

Contain carbon

26
Q

60-80% of volume of living cells come from

A

Water

27
Q

Properties of water

A

High heat capacity

High Heat of vaporization

Polar solvent

Reactivity

Cushioning

Human Anatomy And Physiology / Lab (9 decks)

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