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Biology AQA Dual Paper 1 > B1 Cell structure and transport 2 > Flashcards

B1 Cell structure and transport 2 Flashcards

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1
Q

Convert 5mm to µm.

A

5000µm

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2
Q

State a key difference between prokaryotes and eukaryotes.

A

Prokaryotes do not have a nucleus. Eukaryotes do.

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3
Q

State one organism that is prokaryotic.

A

Bacteria

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4
Q

Prokaryotes have a cell wall. True or false?

A

TRUE

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5
Q

Some bacteria have an extra layer on top of their cell walls. What is the name of that layer?

A

Slime capsule

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6
Q

Where does the genetic material of a prokaryotic cell exist?

A

Cytoplasm

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7
Q

What is a difference between prokaryotic and eukaryotic DNA?

A

Prokaryotic DNA is circular; Eukaryotic DNA is linear

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8
Q

What is the name of extra small DNA rings found in some prokaryotes?

A

Plasmid

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9
Q

What is the function of flagella?

A

To allow the cell to swim and move around

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10
Q

State a difference between animal cells and bacteria.

A

A: No cell wall and plasmid, linear DNA; B: Cell wall and plasmid, circular DNA

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11
Q

State a similarity between plant cells and bacterial cells.

A

Both have cell walls (but different material)

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12
Q

What is the function of the slime capsule?

A

Protect the cell

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13
Q

Explain the use of a tail in sperm cells.

A

To swim and move around (to reach the egg)

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14
Q

Why do sperm cells have lots of mitochondria?

A

To provide lots of energy for swimming

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15
Q

What is the structure of a sperm cell that contains digestive enzymes to break down the surface of an egg cell?

A

Acrosome

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16
Q

Describe the adaptations of a nerve cell.

A

Lots of dendrites; Long axon

17
Q

What is the function of a nerve cell?

A

Carry electrical impulses

18
Q

How does having a long axon help neurones with their function?

A

Carry electrical impulses over long distances

19
Q

Describe how a muscle cell is adapted for its function.

A

Special proteins for contraction; Many mitochondria for energy; Store glycogen to release glucose for respiration

20
Q

Root hair cells have lots of mitochondria to release energy. What is the energy used for?

A

Active transport of mineral ions into root hair cells

Biology AQA Dual Paper 1 (6 decks)

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