Cell Structure.

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Presentation transcript:

Cell Structure

Animal Cells Do not have a regular shape Some can alter their shape eg. Phagocytes or amoeba Contain some different organelles than plants

Centrioles Associated with cell division Composed of microtubules Anchor fibres to separate chromosomes during cell division

Vacuoles Smaller than those found in plant cells Not used for support Storage of water, food or waste.

Animal Cell Specialisation Draw a small sketch of the following examples on your handout. Cells have special features to enable them to carry out their function See handout

Sperm Cell Nerve cell

Epithelial cell Ciliated epithelium

Red Blood Cell White Blood Cell

Muscle Cell

Plant cells Hold a fixed shape Enclosed in a cellulose wall Have parts animal cells don’t

Cell Wall Composed of cellulose Protects Supports cell and maintains shape Limits cell volume preventing excessive water uptake

Large vacuole Filled with aqueous solution of ions Prominent Storage Waste disposal Growth

Chloroplast Contain chlorophyll Used for photosynthesis

Plant Cell Specialisation Draw a small sketch of the following examples on your handout. Cells have special features to enable them to carry out their function See handout

Root hair cell Palisade cell

Guard cell Pollen grain

Xylem and Phloem

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