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Transcript
HAPPY WEDNESDAY 1. On your bellwork sheet, number your paper 1-5 and fill in the blanks on the picture provided. Osmosis is the 1. _________ movement of water. 3. _________ Diffusion moves sugar/salt in the direction of _______ low . high to _______ 2. _______ ________ Active Transport requires energy to move from high low to ______ 4. ________ ________ needs Facilitated Diffusion aProtein ______ to move through the membrane. 5. The cell membrane is made up of what three molecules? Lipids, Proteins, and Carbohydrates Test TOMORROW! • What to study: • Prokaryote vs Eukaryote • Cell Theory • Endosymbiotic Theory • Cell membrane (parts & functions) • Hypertonic, Hypotonic, Isotonic • Molecule Transport (Osmosis, Diffusion, Facilitated Diffusion, Active Transport) • Egg Lab • Microscope Lab Review Time… • Choice… 1. The main function of the Cell Membrane __________ is to control what enters and leaves a cell. 2. Describe an isotonic solution for the cell pictured below. 45% NaCl 55% water 45% NaCl 55% water 3. Amino acids, sugars, and ions move across the cell membrane. Their movement from a region of high concentration to a region of low concentration is accomplished by special proteins in the membrane. Which of the following terms applies to this type of cell transport? **List 3 key words you used to decide.** A. active transport B. facilitated diffusion C. osmosis D. transcription 3. Amino acids, sugars, and ions move across the cell membrane. Their movement from a region of high concentration to a region of low concentration is accomplished by special proteins in the membrane. Which of the following terms applies to this type of cell transport? **List 3 key words you used to decide.** A. active transport B. facilitated diffusion C. osmosis D. transcription 4. List 3 organelles that eukaryotic and prokaryotic cells have in common. Cell membrane, Cytoplasm, Ribosomes **Reminder for your test: They both have DNA, but Eukaryotes store the DNA in the nucleus *** 5. Describe the type of solution that each cell is resting in below. **Hint: hyper, hypo, iso** Isotonic Cell A Hypotonic Cell B Hypertonic Cell C 6. Describe the function of part D in the cell membrane pictured. Transport Protein 7. This component of the cell membrane is used for cell signaling, it contains the elements CHO in a 1:2:1 ratio Carbohydrates 8. This part of the cell membrane is used to transport large molecules and contains the elements CHON Transport Protein 9. This part of the cell membrane is has two hydrophobic fats and a hydrophilic phosphate Phospholipid Bilayer 10. A cell placed in this type of solution will not change shape but stay the same 11. A cell in this type of solution will swell and get larger 12. A cell in this type of solution will shrink, get smaller. 13. A cell that is 90% water and 10% solute is placed in a solution that is 80% water. Draw a diagram representing which way water will flow and describe what type of solution the cell was placed in (Hypo, hyper, iso) 90% water inside the cell is greater than 80% water solution so water will diffuse out of the cell into the solution. Hypertonic: The cell will shrink 14. A cell that is 50% water and 50% solute is placed in a solution that is 60% water. Draw a diagram representing which way water will flow and describe what type of solution the cell was placed in (Hypo, hyper, iso) 50% water inside the cell is less than 60% water solution so water will diffuse into the cell. HypOtonic: The cell will swell 15. This organelle is used to make ATP (energy) MITOCHONDRIA 16. This organelle is found in both prokaryotic and eukaryotic cells and is used for protein synthesis RIBOSOME 17. Streptococcus bacillus is a bacteria with free floating DNA, what type of cell is it? PROKARYOTIC 18. Plants have a cell wall made of cellulose and DNA in a nucleus, what type of cells are plants made of? EUKARYOTIC 19. What type of cell is cell A? Cell A Cell B Contains Ribosomes Contains Ribosomes Has a Cell wall Has a cell membrane Has Endoplasmic Reticulum Has no membrane bound organelles 20. What type of cell is Cell B? PROKARYOTE 20. This is a theory that represents how eukaryotic cells were formed. (pro+pro=eu) ENDOSYMBIOTIC THEORY 21. When both sides of the cell membrane contain the same amount of solute the solution is said to be at _________________. A. B. C. D. Endosybiotum Equilibrium Diffusion Osmosis 22. List 3 similarities between prokaryotic and eukaryotic cells. • BOTH HAVE DNA • BOTH HAVE RIBOSOMES • BOTH HAVE CELL MEMBRANES • BOTH HAVE CYTOPLASM 23. The hypothalamus is the temperature-regulating centre of the brain. Changes in core body temperature cause the hypothalamus to send nerve impulses to the sweat glands, muscles and blood vessels to raise or lower the temperature. If the core temperature goes up the body loses heat to bring it down again. If the core temperature goes down the body will conserve and even generate heat to bring it up again. This maintaining of internal balance is called___________. A. B. C. D. Homepathy Homeostasis Homeokarytoic Homeotelopathy 24. There are 4 types of molecule transport list all 4. • DIFFUSION-small particles, high to low, no energy • OSMOSIS-water only, high to low, no energy • FACILITATED DIFFUSION-large particles, protein channels, high to low, no energy • ACTIVE TRANSPORT-large particles, protein channels, LOW to high, energy required, ATP 25. This type of molecular transport uses a protein to move solutes from an area of high concentration to an area of low concentration. FACILITATED DIFFUSION *diffusion with “help” from proteins 26. This type of molecular transport uses energy to move molecules against the concentration gradient ACTIVE TRANSPORT Kahoot