Covers CA Standards 1c, 1f, 1g

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Presentation transcript:

Covers CA Standards 1c, 1f, 1g The Cell Covers CA Standards 1c, 1f, 1g

Cell theory 1. Organisms composed of one or more cells 2. Cell is basic unit of organization 3. All cells come from pre-existing cells

Two basic cell types

Two basic cell types- Prokaryotes- NO internal membrane-bound structures Eukaryotes- cells DO have internal membrane-bound structures, called ORGANELLES

Prokaryotes Simple- no nucleus Small- 1/10 size of a eukaryotic cell Bacteria

Eukaryotes – everything else

Organelles- why the separation? Separation allows multiple chemical reactions at the same time

Cells have a function, determined by instructions in nucleus Cells are like a factory, with different departments contributing to the final product The departments would be the _________

Nucleus Control center Contains DNA Nuclear pores Chromatin- uncondensed DNA Nucleolus- produces ribosomes

Ribosomes assemble enzymes & other proteins from the directions of the DNA DNA only carries instructions for proteins

Endoplasmic Reticulum- continuation of outer nuclear membrane. Smooth ER- makes/stores lipids Rough ER- ribosomes on surface make proteins

Golgi Apparatus- stacks of membrane. Packages and transports macromolecules (proteins)

Mitochondria- supplies energy by breaking down glucose. Double membrane- folds called cristae. C6H12O6 + 6O2 __ _ 6CO2 + 6H2O + ATP_

Vacuole-temporary storage area- food, enzymes, waste Lysosome- Digest food, waste, bacteria, -the garbage center. Has hydrolytic enzymes Cytoskeleton- framework for internal support

Plant cells Chloroplasts- contains the green pigment chlorophyll Traps energy in sunlight for photosynthesis 6CO2 + 6H2O + energy C6H12O6 + 6O2

Plants have a cell wall- animal cells do not. Made of cellulose

Terms YOU’RE responsible for looking up Cell membrane Cytoplasm Cilia Flagella Centrioles- there’s something special about centrioles

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