chemistry 1.1 notes Flashcards

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1
Q

proton

A

positive

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2
Q

electron

A

negative

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3
Q

neutron

A

neutral

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4
Q

elements

A

substances that cannot be broken down chemically into simpler substances

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5
Q

what are the 6 elements all living organisms have

A

oxygen, carbon, hydrogen, nitrogen, calcium, phosphorous

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6
Q

compounds

A

Form when electrons from elements

are either attracted to, shared with or transferred from one to another via a chemical bond

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7
Q

ionic

A

electrons transfer from one element to another, oppositely charged ions are attracted

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8
Q

hydrogen

A

interaction between slightly charged molecules

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9
Q

covalent

A

two atoms share one more more pairs of electrons

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10
Q

cohesion & adhesion

A

the ability to stick to itself and to something else

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11
Q

universal solvent

A

the medium for biological reactions and processes throughout all life

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12
Q

high specific heat

A

requires a lot of energy to change states of matter

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13
Q

density

A

more dense as a liquid than a solid- all due to hydrogen bonding

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14
Q

macromolecules

A

Carbon chains combined to form the backbone of large molecules- found in all living things

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15
Q

monomers

A

small, basic units

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16
Q

polymers

A

complex structures of monomers

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17
Q

list the 4 macromolecules

A

proteins, lipids, carbohydrates, nucleic acids

18
Q

monomer of carbohydrates

A

monosaccaride

19
Q

polymer of carbohydrates

A

disaccharides and polysaccharides

20
Q

function of carbs

A

short term energy

21
Q

where are carbs found in

A

sugar and starches

22
Q

monomer of lipid

A

mainly fatty acids

23
Q

polymer of lipids

A

fats, oils, steroids

24
Q

function of lipids

A

long term energy and insulation

25
Q

where are lipids found in

A

fats and oils

26
Q

what is a phospholipid

A

make up the plasma membrane of the cell

27
Q

true or false: fatty acid group is hydrophilic

A

false

28
Q

true or false: phosphate group is hydrophilic

A

true

29
Q

what is the monomer of proteins

A

amino acids

30
Q

what is the polymer of proteins

A

polypeptide chains

31
Q

what is the function of proteins

A

enzymatic reactions, hormones, form bones and muscles

32
Q

where are proteins found

A

meats and yogurts

33
Q

what is the monomer of nucleic acids

A

nucleotides

34
Q

what is the polymer of nucleic acids

A

nucleic acids

35
Q

what is the function of nucleic acids

A

store and transport genetic information

36
Q

where are nucleic acids found in

A

dna and rna

37
Q

what are nucleic acids made of

A

CHONP

38
Q

what are proteins made of

A

CHON

39
Q

what are lipids made of

A

CHO

40
Q

what are carbs made of

A

CHO