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Biology > B1 Biology Cells > Flashcards

B1 Biology Cells Flashcards

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1
Q

What cells are eukaryotic?

A

Animal and plant cells

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2
Q

What is a Prokaryotic cell?

A

Has no nucelus

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3
Q

Which cell is a Prokaryotic cell?

A

Bacterial cells

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4
Q

What does the nucleus do?

A

Controls activity of the cell

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5
Q

What happens in the cytoplasm?

A

Chemical reactions take place in the cytoplasm

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6
Q

What does the cell membrane do?

A

Controls movement in and out of the cell

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7
Q

What does mitochondria do?

A

Release energy by respiration

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8
Q

What do ribosomes do?

A

Protein synthesis

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9
Q

What does the cell wall do?

A

Strengthens the cell, made of cellulose

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10
Q

What do chloroplasts do?

A

Absorb light energy for photosynthesis, contains chlorophyll

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11
Q

What is the permanent vacuole?

A

Filled with cell sap to give the structure turgid

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12
Q

What is bacterial DNA?

A

Loop of DNA not found in the nucleus

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13
Q

What is a plasmid?

A

Small ring of DNA often used as a vector in genetic modification

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14
Q

What is the function of a sperm cell?

A

To fertilise the egg

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15
Q

Name 3 features about a sperm cell that supports the function of the cell

A

1) Streamlined with a long flagellum to swim towards the egg
2) Mitochondria in the mid section to release energy to swim faster towards the egg
3) Acrosome in the head to digest the egg cell membrane

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16
Q

What is the function of a nerve cell?

A

To carry electrical signals

17
Q

Name 3 features about a nerve cell that supports the function of the cell

A

1) Long to carry signals long distances
2) Branched connections to connect other nerves
3) Insulating sheath to chance transmission

18
Q

What is the function of a Root hair cell?

A

To absorb water and minerals from the soil

19
Q

Name 1 feature of a root hair cell

A

Hair like projection to increase the surface area

20
Q

What is the function of the xylem?

A

To carry water and minerals in plants

21
Q

What does the xylem do to make the function happen?

A

Transpiration

22
Q

What is the function of phloem?

A

To carry glucose around the plant

23
Q

What does the phloem do to make the function happen?

A

Translocation

Biology (3 decks)

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