Cells Word of the day Organism: any living thing.

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Presentation transcript:

Cells Word of the day Organism: any living thing

Cells Are the basic unit of life All cells have 3 main parts: cell membrane, cytoplasm, genetic material Multicellular Unicellular

There are 2 main kinds of cells Prokaryotic and eukaryotic

Prokaryotic Cells Very small No nucleus No membrane bound organelles (parts of the cell) Divide asexually Cell wall present Examples: – bacteria

Examples Lactobacillus

Examples Streptococcus: cause sore throats

Eukaryotic Cells Larger Has a nucleus Linear chromosomes Divides asexual and sexually Examples – Animals – plants – Protists – fungus

Examples Paramecium

Examples Human nerve cell

Examples Elodea plant cell

Grouping Organisms All Organisms Eukaryotic Cells Plant Animal Cells Prokaryotic Cells

Animal versus plant cell AnimalPlant No cell wallCell wall (cellulose) No chloroplastChloroplasts Small vacuolesLarge central vacuoles

Self Quiz Cells are the ________ _______ of life All cells have ____________, _________ and ___________. There are two main kinds of cells: _______ and __________.

Self Quiz Prokaryotic cells do not have a _________ Eukaryotic cells have a __________. Plants and animals are examples of ________ cells. Bacteria is an example of a _______ cell.

Self Quiz Animal cells and plant cells are different. Plant cells have _________, ________ and ___________.