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midterm review for b

QuestionAnswer
what are the steps for scientific method? 1. observe 2. predict 3. classify 4. controlling variables 5. measuring 6. representing data 7. communicating 8. experimenting
what is a compound light microscope and what kind of slide is to be used? microscope with 2 lenses, wet mount slide
how to you figure out the magnification multiply objective by eye lens
independent variable variable being changed
dependent variable variable changed as a result of the indep.
pH number values lower: acidic, high: basic, 7: water
carbs monosaccarhydes and main source of energy. found in DNA and phospholipids
nucleic acid nucleotide. stores genetic info. DNA and RNA
protein amino acids. building materials. meat
lipids fatty acid. long term energy storage. oil or wax
mitochondria powerhouse of cell
ER transports materials through cells
Golgi apparatus packages materials for transport
lysosome stomach of cell
cilia and flagella move liquid past surface of cell
hypertonic cell shrinks
hypotonic cell expands
isotonic size remains the same
active transport uses energy; endosytosis/exosytosis, low to high
passive transport doesn't use energy; osmosis and diffusion, high to low
homeostasis regulates internal environment
Created by: saddlepotatox8
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