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Year 11 GCSE > Combined Science GCSE > Flashcards

Combined Science GCSE Flashcards

Combined Science is compulsory and consists of the main three sciences which include: Biology, Chemistry and Physics

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1
Q

Eukaryotes

A

animal and plants cell which contain their genetic material enclosed within a nucleus

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2
Q

Prokaryotes

A

bacterial cells which their genetic material is not enclosed within a nucleus and they are much smaller than eukaryotes

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3
Q

Centi

A

1 centimetre is 1/100th of a metre

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4
Q

Milli

A

1 millimetre is 1/1000th of a metre

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5
Q

Micro

A

1 micrometre is 1/1000000th of a metre

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6
Q

Nano

A

1 nanometre is 1/1000000000th of a metre

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7
Q

Order of Magnitude

A

every order of magnitude is 10x greater than the one before

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8
Q

One order of magnitude

A

10x - one zero

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9
Q

Two orders of magnitude

A

100x - two zeros

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10
Q

Three orders of magnitude

A

1000x - three zeros

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11
Q

Nucleus

A

to enclose the genetic material

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12
Q

Cytoplasm

A

watery solution where chemical reactions take place

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13
Q

Cell Membrane

A

controls the molecules that can enter and leave the cell

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14
Q

Mitochondria

A

where aerobic respiration takes place

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15
Q

Ribosomes

A

sites of protein synthesis

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16
Q

Chloroplasts

A

contain chlorophyll and the sites of photosynthesis

17
Q

Cell Wall

A

made of cellulose which strengthens the cell

18
Q

Vacuole

A

filled with cell sap and helps to give the plant cell its shape

19
Q

Sperm cell

A

to join with an egg cell, process called fertilisation

20
Q

Sperm tail

A

allows to swim towards the egg

21
Q

Mitochondria in Sperm

A

provides energy needed for swimming

22
Q

Enzymes in Sperm

A

allow the sperm to digest its way through the outer layer of the egg

23
Q

Nerve Cell

A

send electrical impulses around the body

24
Q

Axon

A

carries the electrical impulses from one part of the body to another

25
Q

Myelin

A

insulates the axon and speeds up the transmission of the nerve impulses

26
Q

Synapses

A

allows the impulse to pass from one nerve cell to another

27
Q

Dendrites

A

increase the surface area so that other nerve cells can connect more easily

28
Q

Muscle cells

A

contract and contain protein fibres which can change their length

29
Q

Root hair cell

A

have hairs that increase the surface area of the root so it can absorb water and dissolved minerals more effectively

Year 11 GCSE (7 decks)

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