Notes

Outline

Basic Animal and Plant Cell  Structure

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Plant and Animal cells have many things in common:  Plasma membrane  Nucleus  Nucleolus  Rough ER  Smooth Endoplasmic Reticulum (ER) Peroxisomes   Ribosomes   Golgi Apparatus  Vacuoles   Lysosomes  Mitochondria  Centrosomes

And some things not Centrioles many small vacuoles Chloroplasts Non chloroplast plastids Cell wall Central vacuole

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The Plasma Membrane is a bilayer of phospholipids and associated embedded proteins that surrounds the cell.

It provides a functional separation between the inside of the cell and its external environment. Embedded proteins allow selective transport of molecules into and out of the cell and they allow for cell – cell recognition.

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Surrounded and enclosed by the Nuclear envelope, the nucleus houses the chromatin, nucleoplasm  and nucleoli.

The Nucleus serves both as the home of genetic information and as the cell’s control center where DNA replication, transcription, and RNA processing all take place.

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It is the site of ribosome assembly.

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