1. Which material was able to move through the membrane?
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Transcript of 1. Which material was able to move through the membrane?
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1. Which material was able to move through the membrane?
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2. Which cell part is represented by the blue rows of molecules?
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3. Water is more concentrated onA. The left B. The right
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4. Water molecules will tend to diffuseA. To the left B. To the right
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5. If water diffuses through a cell membrane, that is called ____?
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6. The process shown below is called ________?
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7. What is the law of diffusion? Use the terms “high concentration” and
“low concentration” in your answer
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8. The area of higher concentration is A. TOP B. Bottom
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9. The area of lower concentration isA. Top B. Bottom
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10. Black line = A membrane which is permeable to the red particles. In this situation diffusion through the
membraneA. Will happen B. Will not happen
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11. Black line = membrane which is impermeable to the red particles. In this situation diffusion through the
membrane A. Will happen B. Will not happen
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12. Milk fat particles at 400X magnification. At room temperature. These particles will be
A. Moving constantly B. Not moving
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13. At absolute zero – 454 F these particles will
A. Vibrate back and forth B stay still
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14. The constant movement of all particles in the universe is called _____?
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15. We took the shell off of some eggs in class
• Evidence suggests that protein and fat molecules inside of an egg
• A. Can move through the cell membrane
• B. Can not move through the cell membrane
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16. When cells make proteins…
• Name the molecule which carries the recipe (gene ) for making a protein from the nucleus out into the cytoplasm to the ribosomes
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17. DNA has the recipes for making
• A. Cells• B. Proteins• C. Glucose• D. ATP
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18. CELLS GET ENERGY DIRECTLY from
• A. ATP molecules
• B. ADP molecules
• C. Protein molecules
• D. DNA molecules
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19. Cells can “recharge” more ATP moleules when they burn glucose
• A. With oxygen
• B. Without oxygen
• C. In ribosomes
• D. In the nucleus
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20. For a cell At Equilibrium with its surroundings..
• A. More particles leave the cell than enter.• B. More particles enter the cell
than leave• C. For every particle which leaves
the cell.. One particle enters.
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DNA
• 21. DRAW a cell with DNA in the nucleus. Draw the DNA as a
double helix
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DNA
• 22. Draw a cell with 4 chromosomes in its nucleus.
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Cell division
• 23. Draw a series of pictures which show an animal cell dividing
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Making protein
• 24. A protein is a long chain of• A. DNA molecules
• B. Amino acid molecules
• C. Messenger RNA molecules
• D. Ribosomes
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CELL ENERGY
• 25. In animal cells and in plant cells… glucose sugar is burned in an organelle called
• A. The Ribosomes
• B. The Mitochondria
• C. The Golgi complex
• D. The nucleus