Cells: The Basic Units of Life PDF

Cells: The Basic Units of Life  How big is a cell? http://www.cellsalive.com/howbig.htm  The Cell Theory 1. All organisms are made of cells. 2. The cell is the basic unit of life in all living things. 3. All cells come from existing cells. THIS IS IMPORTANT BECAUSE IT SHOW...

Cells: The Basic Units of Life  How big is a cell? http://www.cellsalive.com/howbig.htm  The Cell Theory 1. All organisms are made of cells. 2. The cell is the basic unit of life in all living things. 3. All cells come from existing cells. THIS IS IMPORTANT BECAUSE IT SHOWS THAT ALL LIVING THINGS SHARE A SIMILAR STRUCTURE  Two Types of Cells All cells, whether they are prokaryotic or eukaryotic, have some common features  Organelles Organelles are structures that enable the cell to live, grow and reproduce.  Two Types of Cells Prokaryotic Cells: Have no membrane covered nucleus Have no membrane - covered organelles Have circular DNA Are bacteria Two Types of Cells Eukaryotic Cells: Have a nucleus Have a membrane - covered organelles Have linear DNA Are all other cells  Organelles Organelles are structures that enable the cell to live, grow and reproduce. https://www.youtube.com/watch?v=ufCiGz75DAk https://www.youtube.com/watch?v=J5pWH1r3pgU Cell Membrane Outer layer of cell Allows nutrients into the cell and wastes outside of the cell “Gate into the city” Cell Membrane  Cytoplasm Cytoplasm a jelly- like fluid contained in the cell that holds the organelles.  The Nucleus DNA The control center of the cell Contains the Cell’s DNA Nucleolus Nuclear Membrane “Mayor’s office”  Mitochondria Outer Membrane Power center of cell Provides the energy the cell needs to move, divide, etc. Inner Membrane “Electric company of the cell”  Ribosomes Site where proteins are made Cell parts are made of proteins “Factories of the cell” Endoplasmic Reticulum Endoplasmic Reticulum Transportation system of cell Rough ER- ribosome's attached Smooth ER- no ribosome's Ribosomes “Roadways of the cell” Golgi Complex Packaging house of cell Packages, processes, and ships out the stuff the cell makes “UPS of the cell”  Lysosomes Digests food particles and cell parts – “Garbage men” Protects cell by digesting foreign invaders – “Police men  Vacuole Stores water, food & Vacuole wastes Vacuole is largest organelle in plant cell Cell Wall Found only in plant cells Protects and supports the cell  Chloroplasts Found only in plant cells Contains chlorophyll (makes plants green) Where photosynthesis takes place  Plant or Animal Cell? Found in Plant and Animal cells: Found only in Plant Cells: Nucleus Chloroplasts Golgi Complex Mitochondrion Cell Wall Lyosomes Endoplasmic Reticulum Cell Membrane Ribosomes Vacuoles