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CH 3 BIO REV

Bio Ch 3 Rev

QuestionAnswer
Robert Hooke observed cork under a microscope
Organelles “tiny organs”, eukaryotes
Cell membrane lipid bilayer
ER distribute proteins
Rough ER has ribosomes
Smooth ER No ribosomes
DNA directs cell activities
Mitochondria transfer energy from organic compounds to ATP, have own DNA
Chloroplasts plants, have own DNA, change light energy to chemical energy, photosynthesis
Plant/Animal Cells difference chloroplast, cell wall
Diffusion molecules move from high concentration to low concentration, passive
Isotonic concentrations are balanced
Hypertonic water goes in
Passive transport does not use energy, ions through ion channels
Endocytosis Active, brings in large particles
Exocytosis Active, removes large particles
Cell smallest unit of life
Diagram of Cell label, tell what organelles do
Prokaryote no nucleus or membrane bound organelles, bacteria
Eukaryote nucleus and membrane bound organelles
Cilia short hair like structure for movement
Flagella long whip like structure for movement
Cell membrane encloses contents of cell, allows materials to enter or leave, selectively permeable, lipids
Nuclear envelope surrounds nucleus
Endoplasmic Reticulum transports substances
Golgi Apparatus packaging and distribution center of the cell, diagram
Ribosomes make proteins
Osmosis diffusion of water
Ion channels and gates react to changes in electrical charge
Carrier proteins facilitated diffusion (sugar) and active transport
Active transport uses ATP
Sodium potassium pump potassium ions into cell, sodium out of the cell
Salt concentration table
Diffusion paragraph
Created by: evroman
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