cell division Flashcards

1
Q

growth stage

A

sub cellular structures duplicate
cells chromosomes duplicate

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2
Q

mitosis

A

2 sets of chromosomes pulled to opposite ends
nuclease divides

cytoplasm and cell membrane then divide to give 2 identical daughter cells

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3
Q

where are adult stem cells found

A

bone marrow

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4
Q

use of bone marrow

A

to replace dying cells and damaged tissue

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5
Q

use of embryonic stem cells

A

can differentiate in to almost all cells
that make up an organism

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6
Q

where are plant stem cells found

A

MERISTEM

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7
Q

what are plant clones used for

A

saving almost extinct plants
help to quickly and cheaply grow plants

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8
Q

disadvantages of stem cells

A

viral infection
ethical issues

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9
Q

what ethical issues surround using embryonic stem cells

A

many believe that life begins at conception
-ergo ‘killing’ a life

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10
Q

where are chromosomes found

A

in nucleas

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11
Q

what are chromosomes made up of

A

genes

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12
Q

what do genes do

A

tell cells how to make certain proteins

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13
Q
A
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