GCSE Cell Biology Flashcards

1
Q

Where is DNA found in animal cells?

A

Nucleus

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2
Q

What is the function of mitochondria?

A

Cellular Respiration

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3
Q

What is the function of chloroplasts?

A

Photosynthesis for respiration

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4
Q

What is the function of ribosomes?

A

Protein synthesis

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5
Q

What is the function of the cellulose cell wall?

A

Protects and supports the cell

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6
Q

How is DNA stored in prokaryotic cells?

A

As a loop of DNA

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7
Q

How are electron microscopes different to light microscopes?

A

Electron microscopes use beams of electrons on dead samples and are very expensive, but have higher magnification and resolution

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8
Q

What is the function of a red blood cell?

A

Transport oxygen around the body

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9
Q

Give two adaptations of a nerve cell.

A

Branched endings, myelin sheath insulates the axon

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10
Q

Give two adaptations of a palisade cell

A

Lots of chloroplasts, at the top of the leaf

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11
Q

What are the two types of eukaryotic cell?

A

Animal and plant

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12
Q

What type of cell are bacteria?

A

Prokaryotic

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13
Q

What is the function of the cell membrane?

A

To control what enters and exits the cell

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14
Q

Give three adaptations of a red blood cell

A

No nucleus, red due to haemoglobin, biconcave disc shape

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15
Q

What is the function of a nerve cell?

A

Carries electrical impulses around the body

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16
Q

What is the function of a sperm cell?

A

Fertilises the ovum

17
Q

Give two adaptations of a sperm cell.

A

Lots of mitochondria, tail for swimming

18
Q

What is the function of a palisade cell?

A

Photosynthesis in leaves

19
Q

What is the function of a root hair cell?

A

Absorbs water and minerals from soil

20
Q

Give two adaptations of a root hair cell

A

Long projection, lots of mitochondria for active transport