test ?s Flashcards

1
Q

Chewing food

A

Mechanical

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2
Q

Vision

A

Radiant

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3
Q

Bending your fingers to make a fist

A

Mechanical

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4
Q

Lying under a sun lamp

A

Radiant

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5
Q

Located in the nucleus and has a charge of +1

A

Proton

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6
Q

Located in the nucleus and has a charge of 0 or it is neutral

A

Neutron

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7
Q

Located in shells outside the nucleus and has a charge of -1

A

Electron

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8
Q

Anything that takes up space and has mass

A

Matter

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9
Q

A unique substance composed of atoms having the same atomic number

A

Element

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10
Q

Negatively charged particles, forming parts of an atom

A

Electrons

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11
Q

Subatomic particles that determine an atom’s chemical behavior or bonding ability

A

Electrons

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12
Q

The ability to do work

A

Energy

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13
Q

The smallest particle of an element that retains the properties of the element

A

Atom

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14
Q

The smallest particle of a compound, formed when atoms combine chemically

A

Molecule

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15
Q

Positively charged particles forming part of an atom

A

Protons

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16
Q

Name given to the last shell

A

Valence

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17
Q

Subatomic particles responsible for most of an atom’s mass

A

Neutrons and protons

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18
Q

Building blocks of carbohydrates

A

Monosaccharides

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19
Q

Building blocks of fat

A

Fatty acids and glycerol

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20
Q

Building blocks of protein

A

Amino acids

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21
Q

Building blocks of nucleic acid

A

Nucleotides

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22
Q

The single most important fuel source for body cells

A

Carbohydrates

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23
Q

Used to insulate the body

A

Lipids

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24
Q

Primary components of meat and cheese

A

Proteins

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25
Q

Primary components of bread and lollipops

A

Carbohydrates

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26
Q

Primary components of egg yolk and peanut oil

A

Lipids

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27
Q

Class that includes cholesterol

A

Lipids

28
Q

Glucose and starch

A

Carbohydrates

29
Q

Function is building tissues

A

Proteins

30
Q

Simple sugars

A

Monosaccharides

31
Q

A phosphate group, five-carbon sugar, and a nitrogen-containing base

A

Nucleotides

32
Q

Building block is a monosaccharide

A

Carbohydrates

33
Q

DNA, RNA, and ATP are types of these three compounds

A

Nucleic acid

34
Q

Triglycerides, steroids, and fat-soluble vitamins are types of these 3 compounds

A

Lipids

35
Q

Antibodies, some hormones, and enzymes are types of these compounds

A

Proteins

36
Q

_______ bonds form when the atom either gains or loses electrons.

A

Ionic

37
Q

When an atom loses an electron, that atom becomes more _______ and is known as a ___________.

A

Positive, cation

38
Q

When an atom gains an electron, that atom becomes more___________ and is known as an _____________.

A

Negative, anion

39
Q

______________ bonds are atoms that share electron pairs.

A

Covalent

40
Q

When the electrons are shared equally, the molecule is a ______________ ______________ bond.

A

Nonpolar covalent

41
Q

When the electrons are not shared equally, the molecule is a ___________ ______________ bond.

A

Polar covalent

42
Q

The atomic number of an element is determined by the number of ______________ in the element.

A

Protons

43
Q

Isotopes differ from other atoms of the same element only in the number of _______________ they possess.

A

Neutrons

44
Q

Neutral atoms have the same number of ______________ and_____________.

A

Protons and electrons

45
Q

The nucleus contains _____________ and _______________ particles.

A

Proton, neutron

46
Q

The atom’s mass is equivalent to the number of ____________ and ______________ in an atom.

A

Protons, neutrons

47
Q

The _____________ shell is the outer electron shell.

A

Valence

48
Q

The first electron shell can hold ______ electrons.

A

2

49
Q

The second shell can hold ____ electrons.

A

8

50
Q

The ________________ particles of an atom are lost during a cation formation.

A

Electron

51
Q

________________ are a biological catalyst that increases the rate of chemical reaction.

A

Enzymes

52
Q

___________________is the sugar found in DNA.

A

Deoxyribose

53
Q

DNA forms a double ________, while RNA have a _____________ _________.

A

Helix, single strand

54
Q

The pH scale shows that 0 means strongest __________ while 14 means strongest _____________.

A

Acid, base

55
Q

If something has the pH of 7 it is _____________.

A

Neutral

56
Q

An acid is a proton __________, while a base is a proton _____________.

A

Donor, acceptor

57
Q

Water

A

Inorganic

58
Q

RNA

A

Organic

59
Q

Hydrochloric acid

A

Inorganic

60
Q

Salt

A

Inorganic

61
Q

Cholesterol

A

Organic

62
Q

Amino acids

A

Organic

63
Q

Electrolytes

A

Inorganic

64
Q

Fatty acids

A

Organic

65
Q

Monosaccharides

A

Organic

66
Q

Bases

A

Inorganic