biology cell scientist Flashcards

1
Q

hans and zacharis jansen

A

father son duo made FIRST COMPOUND OPTICAL MICROSCOPE

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2
Q

Robert HOOKE

A

looked at dead cork cells, GAVE CELLS THEIR NAME

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3
Q

anton van LEEWENHEOK

A

first to look at LIVING cells, called them animalcules

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4
Q

robert brown

A

discovered NUCLEUS

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5
Q

matthias SCHLEIDEN

A

found that ALL PLANTS ARE MADE OF CELLS

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6
Q

theodor SCHWANN

A

found that ALL ANIMALS ARE MADE OF CELLS

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7
Q

rudolph VIRCHOW

A

found that NEW CELLS COME FROM EXISTING CELLS

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8
Q

biotic factors -

A

anything that was/ is living

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9
Q

CELL THEORY all living things are composed of

A

one or more cells

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10
Q

CELL THEORY cells are the basic units of _____ and ______ in an organism

A

structure and function

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11
Q

CELL THEORY cells come only from ____

A

existing cells

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12
Q

new cells arise from ______

A

pre existing cells

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13
Q

full cell theory

A

all living things are composed of one or more cells

cells are the basuc unit of structure and function in an organism

cells come only from existing cells (new cells arise from pre existing cells)

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14
Q

what tool helps us study cells

A

compound microscope

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15
Q

prokaryotes are ___-

A

they are simple and smaller in size

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16
Q

small cell of a part (like an organ in a body)

A

organelle

17
Q

prokaryotes have ______ for protein production

A

ribosomes

18
Q

prokaryotes lack a ___-

A

nucleus and membrane bound organelles

19
Q

_____ came before ____

A

prokaryotes came before eukaryotes`

20
Q

endosymbiont theory is

A

that eukaryotes came from prokaryotes

21
Q

eukaryote cells contain

A

a nucleus and membrane bound organelles

22
Q

eukaryote organelles

A

mitochondrion, chloroplast, endoplasmic reticulum, golgi body, lysosomes, vacuoles

23
Q

______- have a more advanced cellular organization than __________-

A

eukaryotes have a more advanced cellular organization than prokaryotes

24
Q

single celled means

A

one cell (uni)

25
Q

multi celled means

A

more than one cell (multi)

26
Q

most single celled are

A

prokaryotic

27
Q

most multicelled are

A

eukaryotic

28
Q

a multicellular organism has _______ to perfom specific functions

A

a multicellular organism has groups of cells that specialize to perfom specific functions

29
Q

a unicellular organism has _____ by itself

A

a unicellular organism has to conduct all life processes by itself

30
Q

ways cells are diverse

A

size, shape and internal organization

31
Q

cell differientation leads to

A

cell specialization (each cell has a specific function)

32
Q

both prokary and eukary have

A

dna, ribosomes, cell membrane and cytoplasm

33
Q

some ex of eukkaryotes are

A

fungi animal protist plant

34
Q

some ex of prokaryotes are

A

archae and bacteria