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Biology > Cell Structure bbc > Flashcards

Cell Structure bbc Flashcards

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1
Q

What is the size of an animal cell?

A

Between 0.01mm - 0.05mm

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2
Q

What is the size of a plant cell?

A

Between 0.01mm and 0.10mm

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3
Q

How do you find the magnification of the microscope?

A

Magnification of microscope = Magnification of eyepiece x Magnification of objective lens

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4
Q

How do you find the magnification of an image?

A

Magnification = Size of image / Real size of image

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5
Q

How many nanometers are in a metre?

A

1 000 000

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6
Q

INFO

A

Make sure that when finding the magnification the size of image and real size of image are in the same units

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7
Q

Which organelles are in an animal cell?

A

Cytoplasm, Nucleus, Ribosome, Mitochondrion and Cell Membrane.

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8
Q

What is the function of cytoplasm?

A

It is where many of the chemical reactions happen.

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9
Q

What is the function of the nucleus?

A

Contains genetic material, including DNA, which controls the cell’s activities.

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10
Q

What is the function of the cell membrane?

A

It controls the movement of substances in and out of the cell.

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11
Q

What is the function of mitochondria?

A

Organelles that contain the enzymes for respiration, and where most energy is released in respiration.

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12
Q

What is the function of ribosomes?

A

Tiny structures where protein synthesis occurs.

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13
Q

What organelles are part of plant cells but not animal cells?

A

Vacuole, Cell Wall and Chloroplast

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14
Q

What is the function of chloroplast?

A

Contains the enzymes needed for photosynthesis.

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15
Q

What is the function of the cell wall?

A

Strengthens the cell and supports the plant.

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16
Q

What is the function of the permanent vacuole?

A

Filled with cell sap to keep the cells structure.

17
Q

Which cell type has a nucleus, eukaryotic or prokaryotic?

A

Eukaryotic, think of it as yeskaryotic and nokaryotic

18
Q

INFO

A

Bacteria cells are prokaryotic. Animal, Plants, and Fungi are eukaryotic.

19
Q

How are sperm cells adapted for their functions?

A

The tail enables the sperm to swim, the middle piece has mitochondria to give it energy and the head has genetic material for fertilisation.

20
Q

How are nerve cells adapted for their functions?

A

Nerve cells are extended, so that nerves can run to and from different parts of the body to the central nervous system.

Biology (2 decks)

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