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Transcript
Study Guide for Quiz on Ch 3.4 & What’s Happening in the Cytoplasm Make sure you know the following: Dr. Birdley Jelly? (Cytoplasm) Worksheet What’s Happening in a Cell? Cornell Lecture Notes Ch 3.4 Know the following vocabulary words: passive transport, diffusion, concentration gradient, osmosis, isotonic, hypertonic, hypotonic, facilitated diffusion, cytoplasm, glycolysis, molecule, ribosome, glucose, proteins, organelles, fructose, chemical reactions, ATP, mRNA, tRNA 1.) Describe passive transport. 2.) Water moves into a cell when the solution surrounding the cell is ____________ 3.) What is the term for the diffusion of water across a semipermeable membrane? 4.) The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of ______________________ . 5.) The difference in the concentration of dissolved particles from one location to another is called a ______________________ 6.) Unlike passive transport, active transport requires ____________________. 7.) All cells are surrounded by membranes. The main role of the cell membrane is to _____________. 8.) What type of molecule embedded in the cell membrane allows larger molecules to pass through the membrane by active transport? 9.) In osmosis, water molecules move between phospholipids and toward areas that have a lower concentration of water molecules. Osmosis is a type of __________________________