List the function of each organelle GREEN TEST

List the function of each organelle • GREEN TEST • Nucleus • RED TEST • mitochondria • Endoplasmic reticulum • Vacuole • Cell membrane • Cell wall

Things to find out about cells 1. 2. 3. 4. 5. 6. 7. What shape do most cells have? How many nuclear membrane layers? Why? What produces energy in a cell? How does water get into a cell? How does CO 2 get out of a cell? What does a nucleus do? What does the endoplasmic reticulum do? Look like?

White Board Answers • • • Group 1: Questions 1 & 6 Group 2: Questions 2 & 4 Group 3: Questions 3 & 2 Group 4: Questions 4 & 1 Group 5: Questions 5 & 3 Group 6: Questions 6 & 5

Cell history • • Leeuenhoek Hooke Schwann Schleidan Contempories; 1730’s German sci; credited w/ the idea of cell theory; the beg of the end of spontaneous generation

Beg Microscopes http: //en. wikipedia. org/wiki/File: Leeuwen hoek_Microscope. png http: //chem. aellumis. org/wpcontent/uploads/2013/08/hookes_microscope. jpg

Two Types of Cells • Prokaryotic • “simple” • no nucleus or membrane bound organelles • most have cell wall • All are bacteria of some type • Eukaryotic • Have nucleus* and membrane bound organelles • More diverse • Only plant and fungi have cell walls

Generalized Bacteria Cell

List of Organelles w/ Membranes Cell Membrane: Nucleus: nucleolus Mitochondria: Chloroplast: Vacuole:

Cell membrane

Cytomembrane Organelles • Endoplasmic Reticulum (ER): – rough – smooth • Golgi Body: • Lysosomes/peroxisomes:

Generalized cell for cytomembrane system

Other Organelles • Ribosomes • Centrioles • Cytoskeleton – microtubules – microfilaments

Other Organelles, cont • Cytoplasm/cytosol • Cell wall – slime capsule • Cilia/flagella

Organelle Assignment • • • 5 Cinquain poems Noun 2 adjectives 3 verbs to describe organelle 4 word phrase 1 noun synonym

How substances enter cell (ch 5) • W/out nrg = Passive • With energy • Osmosis: • Active transport: • Diffusion: • Bulk transport: • Facilitated Diffusion: – endocytosis – exocytosis

Cell f(x)s--passive D: unit 1chap 0531 p 2. htm