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bio ii - ch. 2-3 > review ig > Flashcards

review ig Flashcards

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Biology 101 flashcards
1
Q

proteins account for __% of the dry weight of most cells

A

50

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2
Q

ex of protein

A

hair, muscles, bones/connective tissue, fingernails

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3
Q

simplest organic compound

A

hydrocarbons

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4
Q

simplest hydrogencarbon

A

methane

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5
Q

found in germinating seeds, some chocolate candy, also beer/liquor - a disaccharide

A

maltose

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6
Q

most abundant organic compound

A

cellulose

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7
Q

animals store starch as

A

glycogen

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8
Q

plants store starch as

A

cellulose

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9
Q

the euglena can package glucose into this starch for storage

A

paramylon

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10
Q

plasma membrane

A

2 layers of lipids

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11
Q

phospholipid heads

A

hydrophillic

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12
Q

phospholipid tails

A

hydrophobic

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13
Q

organic compound most likely to be hydrophillic - ex. cotton towel

A

carbohydrate

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14
Q

organic compound most likely to be hydrophobic

A

lipids

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15
Q

3 fatty acids

A

triglyceride

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16
Q

too much saturated fats in diet can cause this cardiovascular disease

A

artherosclerosis

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17
Q

using heat or chemicals to change the shape of a protein - ex. boil an egg and perms

A

denaturation

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18
Q

discovered the structure of protein in 1950s

A

linus pauling

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19
Q

nucleic acids =

A

DNA

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20
Q

who discovered structure of DNA

A

james watson and frances crick

21
Q

hydrogenation can be used in ___ fats, like making __

A

unsaturated; margarine

22
Q

why was margarine created

A

shortage of butter in WW2

23
Q

t/f omega 3 fatty acids are good for us

A

true

24
Q

cholesterol is a

A

steroid

25
Q

what do artificial steroids

A

makes our body grow beyond natural development

26
Q

side effects of artificial steriods

A

violent moodswings, liver damage, high cholesterol, reduce sex drive, infertility, reduce sex hormones

27
Q

how many amino acids are there

A

20

28
Q

enzyme in tears

A

lysozyme

29
Q

how are amino acids bonded

A

peptide bonds

30
Q

sickle cell anemia

A

mutation of RBC by substitution of amino acid

31
Q

lifespan of RBC

A

120 days

32
Q

what is RBC made of

A

bone marrow

33
Q

A goes with

A

T

34
Q

C goes with

A

G

35
Q

5 carbon sugar and phosphates are bonded with

A

covalent bonds

36
Q

bases are bonded with

A

hydrogen bonds

37
Q

nitrogen bases

A

adenine (A), guanine (G), thymine (T), and cytosine (C).

38
Q

division of cell nucleus

A

mitosis

39
Q

Dna is put together by

A

nucleotides

40
Q

example of omega 3 fatty acids

A

nuts, oils, fish (salmon)

41
Q

first digestive organic ensyzme - found in saliva

A

amylase

42
Q

ex. of cellulose

A

pepper

43
Q

building blocks of carbs are

A

monomers

44
Q

lipids

A

9 cal/g

45
Q

carbs

A

4 cal/g

46
Q

proteins

A

4 cal/g

47
Q

uncoiled DNA

A

chromatin

48
Q

70-90% of the time in cell cycle is ___ - during which DNA is uncoiled

A

interphase

49
Q

retrovirus

A

ebola and HIV (7 total)

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

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