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Transcript
CHAPTER 7 CELL TEST REVIEW Answer the following to help when studying for the test! 6. Membranes that allow certain substances to pass through, but keep other out are said to be SELECTIVELY____________ 7. Ribsomes can be found attached to_____________. 1. Name this organelle. 8. Membrane proteins that stick into the cell 2. Give the function for #1. membrane either part way through are called ______________ proteins. 9. PHOSPHOLIPIDS, , and ___________ are the two main molecules that make up cell membranes. 10. ____________ are the smallest kind of cell. Plant cells Animal cells Bacterial cells 11. The gel-like fluid and the organelles it contains which is found inside the cell 3. These integral proteins found in cell membrane is called membranes help in identification. ____________________. 12. An organism with a nuclear membrane and membrane bound organelles is called a _________________. 13. Name a part found in plant cells but not animal or bacterial cells. 14. Which part acts as the UPS of the cell to sort, modify, and package molecules for 4. Name this organelle. storage or transport out of cell? 15. Name a kind of cell that is a EUKARYOTE. 5. Give its function 16. Tell one way animal cells are different from bacterial cells. #16. Name this part. #17. Tell what it does. #20. Label A-D #21. Give their functions. CELL PARTS: What is a phospholipid? What three macromolecules make up the plasma membrane? What is each molecules’ role in the membrane? What are cell membranes made out of? What is a lipid bilayer? How are peripheral and integral proteins different? How do the non-polar hydrophobic tails/polar hydrophilic heads in a phopholipid play a role in cell membrane formation? Be able to name, give a function, tell what they are made of and identify in a picture the following parts: {cell (plasma) membrane, nucleus, nuclear (membrane) envelope, nucleolus, nuclear pores, centrioles, mitochondrion, rough endoplasmic reticulum, smooth endoplasmic reticulum, Golgi (body) apparatus, ribosomes, chloroplast, cell wall, vacuole, cytoplasm, lysosomes, cytoskeleton} COMPARISION: What is a prokaryote? A eukaryote? How are prokaryotes and eukaryotes different? How do plant, animal, and bacterial cells compare in size? How are plant, animal, and bacterial cells alike and different? What organelles are found only in plants? Which are only in animals? How are bacterial and plant cell walls different? TRANSPORT: What is a solute? A solvent? What is concentration? What is a concentration gradient? Which direction do molecules naturally move? What is the difference between ACTIVE and PASSIVE transport? Which ORGANELLE makes the energy for active transport? Which MOLECULE provides this energy? Be able to explain what HYPOTONIC, HYPERTONIC, and ISOTONIC means? Be able to identify these 3 kinds of solutions using a diagram. What happens to animal and plant cells placed in each kind of solution? What is plasmolysis? Lysis? Crenation? Turgid? Flaccid? What is osmotic pressure? How does it change when water enters or leaves plant cells? What is the difference between ACTIVE and PASSIVE transport? Which ORGANELLE makes the energy for active transport? Which MOLECULE provides this energy? Which kinds of transport are active? Which kinds of transport are passive?