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bio ii - ch. 2-3 > fill in blank worksheet > Flashcards

fill in blank worksheet Flashcards

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Biology 101 flashcards
1
Q

This hastened the demise of the mayan civilization

A

25 year drought

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2
Q

What may be our most precious, resource according to the textbook

A

fresh water

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3
Q

anything that occupies space and has mass

A

matter

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4
Q

number of elements that can be found naturally

A

92

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5
Q

what are the 4 elements that make up about 96% of the weight of most cells

A

oxygen, hydrogen, carbon, nitrogen

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6
Q

element responsible for building strong bones and teeth

A

calcium

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7
Q

element necessary for DNA, that can be obtained by eating eggs, beans, and nuts

A

phosphorous

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8
Q

a deficiency of iodine in the thyroid gland causes this condition

A

goiter

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9
Q

element added to drinking water to help maintain healthy bones and teeth

A

fluorine

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10
Q

two or more elements that are chemically combined from this

A

compound

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11
Q

smallest particle of an element that contains all the properties of it

A

atom

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12
Q

number of protons in an atom is called

A

atomic number

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13
Q

a measure of the amount of material in an object is called

A

mass

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14
Q

the sum of an atom’s protons and neutrons equals

A

atomic mass

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15
Q

a form of an element having the same number of protons and electrons, but a different number of neutrons

A

isotope

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16
Q

t/f atoms whose outer shells are not full tend to be more chemically reactive

A

true

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17
Q

type bond formed when 2 atoms share one or more pairs of outer shell electrons

A

covalent

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18
Q

the smallest particle of a compound that retains the properties of it

A

molecule

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19
Q

atoms that are electrically charged as a result of gaining or losing electrons

A

ions

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20
Q

type bond formed when electrons are transferred or given up

A

ionic

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21
Q

type bond formed when one end is negatively charged and the other is positively charged

A

hydrogen or polar

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22
Q

the tendency of water to join with other water molecules

A

cohesion

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23
Q

a measure of how difficult it is to stretch or break the surface of a liquid

A

surface tension

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24
Q

liquid part of a solution is called

A

solvent

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25
Q

solid or thing being dissolved in a solution

A

solute

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26
Q

these are composed of amino acids

A

proteins

27
Q

example of a monosaccharide

A

glucose

28
Q

an example of a steroid that can clog blood vessels

A

cholesterol

29
Q

example of a polysaccharide

A

starch, like potato

30
Q

these are typically solid at room temperature

A

saturated fats

31
Q

these are made up of fats, waxes, and oil

A

lipids

32
Q

example of a disaccharide

A

sucrose

33
Q

animal starch; found only in animals, stored in liver

A

glycogen

34
Q

these contain DNA, found in all nucleated cells

A

nucleic acids

35
Q

simple sugars, containing only one 6 carbon ring

A

monosaccharides

36
Q

many sugars, containing 3 or more 6 carbon rings

A

polysaccharides

37
Q

this makes up the cell walls of plants

A

cellulose

38
Q

makes up cellular membranes in animal cells because it and water do not mix

A

lipids

39
Q

double sugars, that contain two 6 carbon rings

A

disaccharides

40
Q

two examples of starchy foods

A

potatoes and rice

41
Q

define organic compound

A

contains carbon

42
Q

define inorganic compound

A

doesn’t have carbon

43
Q

what provides the best source of “quick” energy

A

monosaccharides

44
Q

what provides the best source of long lasting energy

A

polysaccharides

45
Q

the principle energy storing molecule in all living things

A

lipids

46
Q

two things that compose lipids

A

glycerol and 3 fatty acids

47
Q

these smaller units make up proteins

A

amino acids

48
Q

this must be ___ (added or removed) to form a double sugar from two simple sugar

A

water; removed

49
Q

any molecule which contains carbon can be referred to as this

A

organic

50
Q

term for uniting monomers to form a polymer

A

polymerization

51
Q

what is it called when water is added to a starch to break it down

A

hydrolysis

52
Q

name of the process when monomers combine to form more complex molecules

A

polymerization / dehydration synthesis

53
Q

three types of carbohydrates and example

A

monosaccharide - glucose, fructose
disaccharides - sucrose, lactose
polysaccharides - pasta, bread

54
Q

lard

A

lipid

55
Q

chitin

A

polysaccharide

56
Q

fingernails

A

protein

57
Q

cane sugar

A

disaccharide

58
Q

starch

A

polysaccharide

59
Q

fructose

A

monosaccharide

60
Q

wax

A

lipid

61
Q

cartilage

A

protein

62
Q

cellulose

A

polysaccharide

63
Q

glucose

A

monosaccharide

bio ii - ch. 2-3 (5 decks)

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