Biology-Cell Structure Yr 9

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Nucleus

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Topic 1 for Bio

Biology

Cells

26 Terms

1

Nucleus

Contains genetic material

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2

Cytoplasm

Where most chemical reactions occur

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3

Ribosomes

Where protein synthesis occurs

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4

Cell membrane

Controls substance into and out of cell

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5

Cell Wall

Contains cellulose to give the cell structure

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6

Chloroplast

Contains chlorophyll, which absorbs light for photosynthesis

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7

Vacuole

Contains cell sap

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8

Mitochondria

Energy is released via aerobic respiration

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9

Prokaryotic Cells compared to eukaryotic

Smaller in size and less complex then Eukaryote cells, Contains DNA in plasmid and a singular circular strand of DNA

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10

Sperm Cell Function

Fertilise the egg cell

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11

Sperm Cell adaption

Flagellum to swim easily

Enzymes on the head to help break through the wall

In its tail it has mitochondria to release energy

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12

Muscle Cell Function

Contract/relax for movement

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13

Muscle Cell Adaption

Long and contain lots of mitochondria to release energy.

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14

Nerve Cell Function

Sends commands to the muscle to be able to feel.

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15

Nerve Cell adaption

Long, connections at each end to create a network of connections

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16

Root Hair cell

To absorb water and mineral ions.

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17

Root hair cell adaption

A large surface area to increase to rate of absorption

Cilia (Small hairs) on the root hair cell

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18

Red Blood Cell function

To carry oxygen from the lungs to the whole body

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19

Red Blood Cell Adaption

They have a large surface area to be able to carry an amount of oxygen to respiring cells

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20

Palisade Cell function

To absorb sunlight for photosynthesis

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21

Palisade Cell adaption

Packed full of chloroplasts

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22

Chemical equation for aerobic respiration

C6H12O6 + 6O2 → 6CO2 + 6H20

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23

Glucose chemical formula

C6H12O6

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24

Tissue

A group of cells that work together for a common goal

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25

Organ System

A group of organs that work together for a common goal

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26

Microscopy Formula

Image = Actual * Magnification

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