Aim How do plant animal cell organelles maintain

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Aim: How do plant & animal cell organelles maintain homeostasis? DO NOW: Read the

Aim: How do plant & animal cell organelles maintain homeostasis? DO NOW: Read the “Cell Theory Rap” handout & on loose-leaf, explain why we looked at this rap, choose 2 organelles & write down their functions.

Organelles • “mini-workers” inside of cells that have specific jobs • Lie in the

Organelles • “mini-workers” inside of cells that have specific jobs • Lie in the cytoplasm of both animal & plant cells (eukaryotes)

Nucleus • Brain of the cell • Contains DNA or genetic instructions (Nucleic Acid)

Nucleus • Brain of the cell • Contains DNA or genetic instructions (Nucleic Acid) • Has a membrane with pores

Nuclear Membrane • Membrane of the nucleus • Also called nuclear envelope

Nuclear Membrane • Membrane of the nucleus • Also called nuclear envelope

Nucleolus • Inside nucleus • Makes ribosomes

Nucleolus • Inside nucleus • Makes ribosomes

Ribosomes • Make proteins • Found freely in cytoplasm or attached to endoplasmic reticulum

Ribosomes • Make proteins • Found freely in cytoplasm or attached to endoplasmic reticulum

Mitochondria • Site of cellular respiration (chemical reaction) • ATP Energy producing organelle •

Mitochondria • Site of cellular respiration (chemical reaction) • ATP Energy producing organelle • Powerhouse of the cell

Vacuoles • Storage sacs for food or water or excess waste, that will eventually

Vacuoles • Storage sacs for food or water or excess waste, that will eventually be eliminated

Endoplasmic Reticulum • Cellular highway • Allows for more efficient transport inside of cells

Endoplasmic Reticulum • Cellular highway • Allows for more efficient transport inside of cells • 2 Types: Smooth & Rough • Rough: contains ribosomes, which make proteins • Smooth: no ribosomes

Golgi Bodies / Apparati • Packaging organelle for proteins (sorts, modifies & packs proteins)

Golgi Bodies / Apparati • Packaging organelle for proteins (sorts, modifies & packs proteins)

Lysosomes • Located in both animal and plant cells • Contain digestive enzymes for

Lysosomes • Located in both animal and plant cells • Contain digestive enzymes for breakdown of wastes (Ex. damaged cells or old cell parts)

Centrioles • • Only in animal cells Look like cylinders In pairs, near the

Centrioles • • Only in animal cells Look like cylinders In pairs, near the nucleus Involved in cell division

Chloroplast • • Only in Plant Cells Site of Photosynthesis (chemical reaction) Food (Glucose)

Chloroplast • • Only in Plant Cells Site of Photosynthesis (chemical reaction) Food (Glucose) Producer Contains chlorophyll pigment (allows for absorption of sunlight)

Cell Membrane • Barrier between inside & outside of cells • Regulates what enters

Cell Membrane • Barrier between inside & outside of cells • Regulates what enters & exits cells

Cell Wall • Made of cellulose (tough carbohydrate) • Lies outside the cell membrane

Cell Wall • Made of cellulose (tough carbohydrate) • Lies outside the cell membrane in plant cells and bacteria, fungal organisms and some protists • Offers Support & Protection

Cytoplasm • Similar function to that of the human body’s circulatory system • Site

Cytoplasm • Similar function to that of the human body’s circulatory system • Site of most chemical reactions in a cell • Holds organelles in place • Mostly made of water • “gel-like” fluid that surrounds the nucleus

Brain-Pop Video • https: //www. brainpop. com/science/cellularlif eandgenetics/cellstructures/

Brain-Pop Video • https: //www. brainpop. com/science/cellularlif eandgenetics/cellstructures/

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Activity

Homework • Castle Learning Questions on Organelles

Homework • Castle Learning Questions on Organelles