Binary Fission Flashcards

(10 cards)

1
Q

What type of cells use binary fission?

A

Prokaryotic cells e.g. bacteria

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2
Q

What is binary fission?

A

A means of asexual reproduction or cell division

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3
Q

What are plasmids?

A

They are circles of DNA which contain non essential genes.

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4
Q

Process of binary fission

A
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5
Q

1

A

The genetic material (chromosomal DNA (Circular DNA) and plasmids) is replicated

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6
Q

2

A

The cell expands and the circular DNA moves to opposite poles of the cell and the plasmids are arranged randomly on either side (no set amount of them)

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7
Q

3

A

The cytoplasm begins to divide and new cell walls begin to form

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8
Q

4

A

Once the cell wall is complete and the cytoplasm divides, 2 daughter cells are produced - each daughter cell will have one copy of the chromosomal DNA however the amount of plasmids will be random (a variable number)

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9
Q

What type of reproduction is binary fission?

A

its a type of asexual reproduction for cells as well as a type of cell division

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10
Q

How often do bacteria multiply by binary fission given they have enough nutrients and a suitable temp?

A

Bacteria multiply by binary fission as often as once every 20 minutes if they have enough nutrients and a suitable temperature.

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