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BIO 185 > Cell Structure and FX > Flashcards

Cell Structure and FX Flashcards

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Biology 101 flashcards
1
Q

what is the difference btwn eukaryotic cells and prokaryotic cells

A

eukaryotes have a nucleus

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2
Q

characteristics of chromosomes in eukaryotic cell

A

packed b histones
usually more than 1
diploid
linear

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3
Q

what does the ER do

A

transport and modify proteins

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4
Q

what does the golgi complex do

A

modifies proteins and adds sugar groups

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5
Q

what do ribosomes do

A

manufacture immature proteins

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6
Q

what is the size of the small ribosome subunit of a euk cell

A

40

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7
Q

what is the size of a large ribosomal subunit of a euk cell

A

60

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8
Q

what is the size of a total euk ribosome

A

80

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9
Q

what is the cell wall of plants and algae made of

A

cellulose

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10
Q

what is the cell wall of fungi made of

A

chitin

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11
Q

do eukaryotic cells have endospores

A

no

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12
Q

do eukaryotic cells have pili

A

no

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13
Q

what is the cell coat of prokaryotic cellsmade of

A

glycocalyx- sugar

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14
Q

what are the functions of prok cells

A

sliding mvmts on some surfaces
protection against phagocytosis

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15
Q

what is the cell wall of a prok cell made of

A

peptidoglycan

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16
Q

what plays an important role in classification of bacteria

A

cell wall

17
Q

characteristics of gram positive organisms

A

stain- purple
thick pg (25nm)
completely cross linked (strong)
teichoic acid

18
Q

characteristics of gram neg organisms

A

stain- red
thin pg (10nm)
incompletely cross-linked (weak)
extra layer- LPS similar to cell membrane

19
Q

where does respiration occur in prok cell

A

cytoplasm and cell membrane

20
Q

how many chromosomes does bacteria have

A

1

21
Q

what are the characteristics of prok chromosomes

A

circular
haploid
plasmids are autonomous (grow independently)

22
Q

what is the size of a small ribosome subunit of a prok cell

A

30

23
Q

what is the size of a large ribsome subunit of a prok cell

A

50

24
Q

what is the total size of a prok ribosome

A

70

25
Q

what are the types of flagella

A

monotrichous
lophotrichous
amiphitrichous
peritrichous

26
Q

what is monotrichous

A

1 flagella

27
Q

what is lophotrichous

A

more than 1 flagella on 1 end

28
Q

what is amphitrichous

A

2 flagella but 1 on each end

29
Q

what is peritrichous

A

flagella all over

30
Q

what are axial filaments

A

flagella wraps around

31
Q

is bacillus spp aerobic or anearboci

A

aerobic

32
Q

is clostridium spp aerobic or anaerobic

A

anaerobic

33
Q

what are endospores related to

A

bacteria

34
Q

do euk or prok cells have a capsule or slime layer

A

prok

35
Q

what do antibiotics do

A

attack features of prok cells not found in euk cells

36
Q

what does penicillin do

A

break down cell wall

37
Q

what does tetracycline attack

A

30s subunit of ribosome

BIO 185 (19 decks)

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