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Biology# > C6 cell division > Flashcards

C6 cell division Flashcards

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1
Q

What is the cell cycle split into?

A

Mitosis and interphase

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2
Q

What is G1 in the cell cycle ?

A

Where cycle growth occurs
The organelles are doubling

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3
Q

What is S in the cell cycle stand for?

A

Synthesis

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4
Q

What happens in S1?

A

DNA synthesis / replication , transcription and translation
Very Short time
We don’t want the DNA to be open for too long because of mutation

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5
Q

What is G2?

A

It’s is for cell growth but in this case it replicates proteins for mitosis
Proteins contains tubeles
Proteins only have to be specific for mitosis in this case centromeres

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6
Q

What is the Final phase of the cell cycle ?

A

Mitosis

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7
Q

What is G0?

A

The phase of the cell cycle during which a cell is neither dividing nor preparing to divide

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8
Q

What is mitosis and what is the function?

A

Mitosis is the identical cell division and the function is growth and repair and asexual reproduction

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9
Q

What is the acronym to remember mitosis stages ?

A

PMAT

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10
Q

What happens in the prophase ?

A

The DNA is enclosed in the nucleus
That Nucleus is disintegrated and now the DNA is free to move

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11
Q

What happens in Metaphase in mitosis?

A

The chromosome move to the middle and lines up in the middle

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12
Q

What happens in anaphase ?

A
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13
Q

What happens in telophase?

A

In telophase , is opposite of prophase , the nuclear membrane of the nucleus starts to form before the cell splits

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14
Q

What are tubeles ?

A

Tubules are a type of organelles which helps movement in and out of the cell and in cell division , it contain spindle fibres which help with the movement

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15
Q

What phase are tubeles found?

A

Metaphase , either side of the cell

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16
Q

What is a centromere?

A

Keeps two chromosome together in the middle , making a pair of chromosome

17
Q

What is meiosis and what is the function?

A

It divides twice
The stages are numbered
Sexual

18
Q

What are the stages of meiosis ?

A

Interphase - cell growth, DNA replications , protein gets ready for meiosis

Prophase 1 - nuclear membrane starts to dissociate

Metaphase 1 - reason why siblings look different , because we don’t know which side the blue or pink will be , key thing that happens is that we don’t know which order will be mum or dad

Anaphase 1- due to this , when they get pulled apart , they will be a random combination hence there will be diversity

Telophase - two nuclear membrane form

Cytokinesis

Prophase 2

19
Q

How many pairs are there after interphases

A

46 pairs , 23 dad and 23 mum , then they replicate

20
Q

What is chiasmata?

A

The point at which the dad and mum genes cross over
At the point where homologous chromosomes cross over

21
Q
A

Biology# (14 decks)

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