Cell Division Flashcards

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1
Q

What is the cell cycle

A

A series of stages that describe how a cell divides

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2
Q

What are chromosomes

A

They are made of DNA and found in pairs in the body cells

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3
Q

What is a Meristem tissue

A

Undifferentiated plant cells

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4
Q

What is Mitosis

A

The part of the cycle where cells divide to make to two identical cells

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5
Q

What are stem cells

A

Undifferentiated cells that can form copies or make a specialised cell

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6
Q

What carry the code for producing specific proteins in chromosomes?

A

Genes

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7
Q

What is the first step to the cell cycle?

A

The cell grows and increases the number of sub-cellular structures such as ribosomes and mitochondria

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8
Q

What is the second step to the cell cycle

A

The genetic material is doubled: DNA is replicated to make two copies of each chromosome

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9
Q

What is the 3rd step of the cell cycle

A

Chromosomes line up

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10
Q

What is the 4th step of the cell cycle

A

Mitosis occurs when one set of chromosomes is pulled into each end of the cell

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11
Q

What is the last step of the cell cycle

A

A new nucleus forms around each set of chromosomes. The cytoplasm and cell membrane divide to form two identical ‘daughter’ cells

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12
Q

Where can stem cells be found in animal cells

A

The embryo, bone marrow

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13
Q

Types of ways stem cells can be used as medical treat enemy’s

A

Using patients own step cells, using embryonic stem cells

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14
Q

Where is the meristem tissue found in plants?

A

Tip of the roots, shoots, between the xylem and phloem

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