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Bio 2nd unit (cells)
| Question | Answer |
|---|---|
| What is Homeostasis? | I'ts maintaining a stable internal environment even though external conditions change |
| What is the cell theory | -All living things are composed of cells - Cells are the basic unit of Structure and function - All cells come from preexisting cells |
| What are the to types of cells | Prokaryotic and Eukaryotas |
| What are Prokaryotic cells | Simple cells that have no membrane bound organelles |
| What are examples of Prokaryotic cells | Bacteria |
| What are Eukaryota cells | Cells that have membrane bound organelles and nucleus |
| What are some examples of Eukaryota cells? | Multi-cellular organisms, unicellular protists, plant cells, animal cells |
| What are some some characteristics of a Cell wall | - Made of cellulose - Used to help protect the cell wall |
| What are some some characteristics of Chlorophyll | -Green pigment -Absorbs light |
| What are some some characteristics of Chloroplasts | -Contains chlorophyll -Found in plants and algae only -Food production in plants -Photosynthesis- makes glucose |
| What are some some characteristics of Cytoplasm | Gel-like substance on the inside of the cell |
| Endoplasmic reticulum | -Internal transport system of cell -Series of canals, flattened stacks -Smooth or rough- can have ribosomes attached to it |
| Golgi body (apparatus) | -Chemicals collected from ER in flattened sacs -Stores, packages and modifies proteins and moves them through cytoplasm |
| Ribosome | -Makes proteins -Tiny knob like structures -Can be bound to ER (rough ER) or free in cytoplasm |
| Lysosomes | -Formed in Golgi bodies -Contains strong enzymes to digest large particles in the cell |
| Mitochondria | -Release energy from cell -The “powerhouse” -Cell Respiration -Double membrane, inner membrane folded |
| Nucleus | -large most prominent structure in cell -Controls cell’s activities -Transmits hereditary information |
| Nuclear membrane | -Separates the nucleus from the cytoplasm -Contains pores allows substances to pass in and out of nucleus |
| Nucleolus | -Found in nucleus -Produces ribosomes |
| Plasma Membrane or Cell membrane | -Outer boundary of animal cell -Made of double layer of lipids and proteins -Controls what enters and leaves the cell |
| Vacuole | -Very large in plants -Bubble like structures -“warehouse” or “storeroom” of the cell -For water, liquids, food or waste |
| What characteristic are in Eukaryotic that aren't in Prokaryotic | -Membrane bound organelles -Nucleus - |
| Which is bigger. Eukaryotic or Prokaryotic | Eukaryotic |
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zOfficialupbeat