Cells GCSE

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State 4 common features of a plant and animal cell

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CCEA UNit 1 biology

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1

State 4 common features of a plant and animal cell

Cell membrane, nucleus, mitochondria, cytoplasm

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2

State 3 features of a plant cell that are not in an animal cell

Cell wall, vacuole, chloroplasts

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3

What is the function of the nucleus?

Contains the genetic information for the organism

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4

What is the function of the cell membrane?

Controls what enters and leaves the cell

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5

What is the function of the mitochondria?

Aerobic respiration (chemical reactions of respiration)

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6

What does the nucleus contain?

DNA (deoxyribonucleic acid)

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7

What is the function of the chloroplasts?

Site of photosynthesis

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8

Why do muscle cells have many mitochondria?

Muscles require a lot of energy

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9

What is the function of the cell wall?

Provides support and stops the cell from bursting when there is too much water

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10

What is the function of the cytoplasm?

Where the chemical reactions take place

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11

What is the function of the vacuole?

Provides support and contains cell sap

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12

What do chloroplasts contain?

Chlorophyll

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13

Why do all plant cells not have chloroplasts?

Not all cells need to carry out photosynthesis so not all need to trap light

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14

Where are the mitochondria located?

In the cytoplasm of the cell

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15

What is a plant cell wall made of?

Cellulose

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16

How is the DNA arranged in a bacterial cell?

Circular chromosome, loose in the cell

<p><span>Circular chromosome, loose in the cell</span></p>
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17

Why would we use the high power lens?

When we need to view cells in greater detail

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18

What do we call the sample we are viewing under the microscope?

Specimen

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19

What can we use to see specimens more clearly?

Stains

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20

Why must the coverslip be lowered carefully?

To avoid air bubbles

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21

What do we use to view cells?

Microscope

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22

Why do we start viewing through the low power lens?

Allows you to find the specimen more easily

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23

State the names of the 2 types of lens

Eye piece lens and objective lens

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24

What process happens to cells to allow them to be specialised?

Differentiation

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25

What is formed when cells with the same specialised structure and function are grouped together?

Tissues

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26

What name is given to organs that are grouped together?

Organ systems

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