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Anatomy & Physiology 1 > unit 2 > Flashcards

unit 2 Flashcards

1
Q

compounds

A

An actual combination of two or more elements

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2
Q

element

A

Pure substances that can’t be broke down

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3
Q

hydrogen bonds

A

hydrogen bond is when a weak attraction between a slightly positive hydrogen atom in one molecule and a slightly negative oxygen or hydrogen atom in another

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4
Q

covalent bonds

A

two atoms share one or more electrons. then become one new atom stuck together

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5
Q

ionic bonds

A

transfer an electron from its outer shell. then it changes from a neutral atom to either a positive or negative atom

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6
Q

define electrons

A

tiny particles with a negative charge that whirl around the center of atom

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7
Q

define protons

A

particles in the center of an atom that carry a positive charge

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8
Q

define matter

A

anything that occupies space and mass

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9
Q

define isotopes

A

an atom of an element that contains a diffrenet number of neutrons

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10
Q

define nucleus

A

center of an atom

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11
Q

define element

A

a pure substance that cant be broken down or deomposed into two or more substances

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12
Q

define compounds

A

chemical combination of two or more elements

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13
Q

what are the four elements that make up the body

A

oxygen, carbon, hydrogen, nitrogen

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14
Q

atomic number is determined by

A

the amount of protons

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15
Q

potassium symbol

A

K

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16
Q

mangansese

A

MN

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17
Q

Tin

A

Sn

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18
Q

Silicon

A

Si

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19
Q

Selenium

A

Se

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20
Q

MOLybdeum

A

Me

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21
Q

Chromium

A

Cr

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22
Q

Iron

A

Fe

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23
Q

Cobalt

A

Co

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24
Q

Copper

A

Cu

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25
Q

atomic weight

A

the number of protons and neutrons added together

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26
Q

ATP

A

stores energy released from the breakdown of nutrients and provides it to fuel cellular reaction

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27
Q

acid

A

any substances that release hydrogen ions in solution

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28
Q

anabolism

A

the constructive phase of metabolism during which cells nutrients and energy for growth and repair

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29
Q

cations

A

an ion with a positive charge

30
Q

anion

A

an ion with a negative charge

31
Q

ions

A

electrically charged ions

32
Q

colloid

A

usallay a mixture of protein and water, can change from liquid to gel

33
Q

lipids

A

a group of fats characterized by thier insolubility in water

34
Q

base

A

any substances that combines with hydrogen ions

35
Q

metabolism

A

the sum of all chemical reactions in the body

36
Q

mixture

A

substnaces that results when two or more substances blend rather than chemically combine

37
Q

catabolism

A

phase of metabolism durring which complex substances are converted to simpler ones, resulting in the release of chemical energy

38
Q

enzymes

A

substances that change the rate of chemical reactions without being changed themselves

39
Q

ionization

A

process whereby ionic bonds break when dissolved in water, creating a solution thats capable of conducting electricity

40
Q

suspension

A

mixture containing large particles that tend to settle when left undistrubed

41
Q

triglyceride

A

most abundant lipid that functions as a source of energy in the body

42
Q

Ph

A

a measure of hydrogen ion concentration of solution

43
Q

peptide bonds

A

the type of bond through which amino acids link together

44
Q

acidic

A

lower than 7 stomach acicd lemons

45
Q

basic(alkaline)

A

stronger than 7 bleach household remover

46
Q

carbohydrates

A

main source of energy, contains carbon hydrogen oxygen

47
Q

surcose

A

table sugar

48
Q

lactose

A

milk sugar

49
Q

maltose

A

found in germinating wheat

50
Q

glucose

A

praimary source energy used by the most of the body

51
Q

frutose

A

found in fruit converted to glucose

52
Q

galactose

A

found in dairy products converted to glucose

53
Q

glycogen

A

stored from of glucose

54
Q

mixture

A

results when two or more substnaces blend togther chemical combined

55
Q

water is a solvent, lubericant, and changes temp slowly

A
56
Q

one type of chemical reaction is synthesis

A

two or more substances combine to form a different, more complex substance A+B=AB

57
Q

decompostion

A

breaks down complex substances into simpler substances AB -TO= A B

58
Q

exchange

A

two molecules excahnge atoms or groups of atoms, which make a new group

59
Q

reversible reaction

A

can go either a+B+AB or AB=A+B

60
Q

solution

A

see through

61
Q

colloid

A

like gelatine cloudy

62
Q

suspension

A

particles separate and settle at the bottom of the container oil and water or salad dress

63
Q

cellular respiration

A

the process cells need oxygen to break down nutrients to release energy

64
Q

ionization

A

when dissolved in water ionic bonds tend to be
AK or dissociate creating a solution of positive and negative ions

65
Q

polar

A

type of molecules with an uneven distribution of electron

66
Q

ionization

A

electrically charged atoms

67
Q

valance

A

the electrons in an atom’s outer shell

68
Q

anabolism

A

involves building larger and more complex chemical molecules which require energy input

69
Q

electrolytes

A

conduct electricity

70
Q

molecules

A

particles composed of two or more atoms united by chemical bonds

Anatomy & Physiology 1 (9 decks)

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