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biology test 1 2024 3rd form > cells > Flashcards

cells Flashcards

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1
Q

what is an organelle?

A

the structure inside a cell that carries out a particular job.

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2
Q

what is a tissue?

A

a group of cells working together to perform a function.

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3
Q

what is an organ?

A

a structure made up of a group of tissues, working together to perform functions

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4
Q

what is a nucleus?

A

Contains DNA and its controls the cell.

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5
Q

what does the ribosomes do?

A

its where protein is made.

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6
Q

what does the mitochondria do?

A

releases energy by respiration

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7
Q

what happens in the cytoplasm?

A

chemical reactions

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8
Q

what happens in the chloroplasts?

A

contains chlorophyll which absorbs light for photosynthesis

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9
Q

what is in the vacuole?

A

contains cell sap

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10
Q

what does the cell membrane do?

A

it controls what enters and exits the cell

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11
Q

what is the cell wall?

A

a supportive outer layer for the cell to help it from bursting

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12
Q

what is a specialised cell?

A

cells that have specific structures and functions in the body.

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13
Q

out of plants, animals, fungi, Protoctista and bacteria which 3 have a cell wall?

A

plants, fungi and bacteria

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14
Q

out of plants, animals, fungi, Protoctista and bacteria which 4 have glycogen?

A

animals, fungi, Protoctista and bacteria

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15
Q

out of plants, animals, fungi, Protoctista and bacteria which are unicellular organisms?

A

Protoctista and bacteria

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16
Q

out of plants, animals, fungi, Protoctista and bacteria which have a nucleus?

A

plants, animals, fungi and Protoctista.

17
Q

what is a eukaryotic cell?

A

a cell kingdom that has a nucleus

18
Q

what is a prokaryotic cell?

A

a cell kingdom that doesn’t have a nucleus eg bacteria

19
Q

name 5 components in a fungi cell.

A

cell wall, plasma membrane, chitin, nucleus, cytoplasm, mitochondria

20
Q

what make up Protoctista since it is a unicellular cell.

A

Eukaryotic organisms and a nucleus.

21
Q

name 5 parts of a bacteria.

A

cell wall, cell membrane, DNA, ribosomes, cytoplasm, flagellum.

22
Q

why is a virus not considered living?

A

because they don’t complete all the seven life processes: movement, respiration, sensitivity, growth, reproduction, excretion and nutrition (MRS GREN)

23
Q

What nutrition does the Plant kingdom have?

A

autotrophic

24
Q

What nutrition does the animal kingdom have?

A

heterotrophic

25
Q

What nutrition does the fungi kingdom have?

A

saprotrophic

26
Q

What nutrition does the protoctista kingdom have?

A

it doesn’t have one

27
Q

What nutrition does the bacteria kingdom have?

A

saprotrophic

biology test 1 2024 3rd form (3 decks)

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