Animal and Plant Cells

- what do animal and plant cells have in common and what is different between the two?

- what do the structures within the cells do?

- specialised cells

- tissues, organs and systems

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  • Created by: Nicole
  • Created on: 22-11-11 19:11

Cells

- Cells are the smallest unit of life

- All living things are made from cells

Animal and Plant Cells contain: a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes

Plant Cells only contain: a cell wall, chloroplasts and a permanent vacuole

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What do the structures within the animal and plant

Nucleus: controls all the activities of the cell

Cytoplasm: where most of the chemical reactions happen

Cell membrane: controls what goes in and out of the cell

Mitochondria: where most of the energy is released in respiration (enzymes for respiration are in the mitochondria)

Ribosomes: where protein synthesis occurs (enzymes for protein synthesis are in the ribosomes)

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What do the structures within plant cells do?

Cell wall: strengthens the plant cell, helps the cell keep its' shape

Chloroplasts: absorb the light energy to make food in plant cells, make the leaves green (enzymes for photosynthesis are in the chloroplasts)

Permanent vacuole: filled with cell sap in plant cells

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Specialised Cells

Root hair cell: large surface area to absorb water and minerals easily

Palisade cell: many chloroplasts for photosynthesis

White blood cell: able to change shape to engulf microbes

Sperm cell: a long tail to swim

Nerve cell: a long nerve fibre to carry messages to other cells

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Tissues, Organs and Systems

Tissue:  a group of similar cells carrying out a particular function

Organ: a group of different tissues carrying out a particular function

System: a group of different organs carrying out a particular function

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