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molecular biology of the cell year 2 > lecture 6 - stem cells > Flashcards

lecture 6 - stem cells Flashcards

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1
Q

what are embryonic stem cells responsible for

A

producing different cell types

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2
Q

what are adult stem cells responsible for

A

maintaining different cell types

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3
Q

what are the two paths stem cells can take

A

cell division decision

differentiation decision

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4
Q

what happens after the cell division decision

A

self renewal

unlimited division

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5
Q

what happens after the differentiation decision

A

limited division

differentiation

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6
Q

how are stem cells characterised

A
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7
Q

what is the origin

A

the physical place the stem cells come from

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8
Q

what are the five types of embryonic stem cells

A

hematopoietic

mesenchymal

neural

epithelial

cardiac

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9
Q

what is the foetal stem cell type

A

embryonic

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10
Q

what is the disease stem cell type

A

cancer stem cell

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11
Q

what is the lab made stem cell type

A

induced pluripotent stem cell

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12
Q

what do totipotent cells differentiate to

A

whole organisms

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13
Q

what is the totipotent stem cell type

A

zygote

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14
Q

what do pluripotent stem cells differentiate to

A

all types of cells

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15
Q

what is the pluripotent stem cell type

A

embryonic stem cell

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16
Q

what do multipotent stem cells differentiate to

A

most types of cells S

17
Q

What is the multipotent stem cell type

A

adult stem cells

18
Q

what is the oligopotent stem cell type

A

corneal

19
Q

what do the oligopotent differentiate to

A

few type of cells

20
Q

what do the unipotent stem cells differentiate to

A

one type of cell

21
Q

what is the unipotent stem cell type

A

germ stem cell

22
Q

what are embryonic stem cells grown from

A

cells found in embryo when it is just a dew days old at a stage known as blastocyst

23
Q

what forms the placenta

A

the outer cell layer

24
Q

what are the growing conditions of embryonic stem cells

A

addition of purified growth hormones and growth factors

25
Q

what are MSC

A

mesenchymal stem cells

26
Q

what are stem cell niches

A

microenviromental cells sheltering and nurturing stem cells through a dialog in order to fulfil lifelong demands for undifferentiated cells

27
Q

what is an examine of absoportive epithelial cells

A

intestinal epithelial cells

28
Q

what are characteristics of epithelial cells

A

rich in microvilli

29
Q
A

molecular biology of the cell year 2 (7 decks)

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