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Midterm Webquest Unit 1- The Big 4 TASK ONE – MACROMOLECULES Use the link to complete the “Molecules of Life” Tutorial. As you move through the tutorial, answer the following questions. http://tinyurl.com/zvla6qb Opening Slide Tab 1. What are the four predominant elements in biology? Molecules Tab 2. A train is comparable to a A train car is comparable to a 3. What are the building blocks of macromolecules? 4. When monomers are linked together, the resulting molecule is called a 5. “Mono” means A polymer is a link of “Poly” means A monomer is a single In biological systems a polymer is called a 6. A train car is to a train, as a is to a polymer an a molecule is to a 7. What are the four main classes of macromolecules? 1) 2) 3) 4) Carbohydrates Tab 8. What are two important functions of carbohydrates? 9. What type of complex carbohydrate is cellulose and what is its role in plant cells? 10. What is another name for a complex carbohydrate? 11. Where do we get all of our simple and complex carbohydrates from? 12. Copy the answers to the practice questions within the activity below: a) Carbohydrate: b) Monosaccharide: c) Polysaccharide: Lipids Tab 13. What are three functions of lipids: 14. Lipids are oily. Do they mix with water? Proteins Tab 15. What are proteins made from? 16. Complete the following protein table. Protein Types What cell organelle makes proteins? Function Nucleic Acids Tab 17. What are the main functions of nucleic acids? 18. How many strands make up RNA? How many strands make up DNA? 19. During the Nucleic Acid Practice, Write the statement that refer to nucleic acids in the space below. a) b) c) d) Final Review Tab 20. Copy the main functions of each macromolecule in the table below. Macromolecule Function Unit 2 Cells TASK ONE – What Are Cells? Use the link below to watch the “What Are Cells” video clip by Bill Nye the Science Guy. As you watch, answer the following questions. http://tinyurl.com/o9jmfh7 1. Approximately, how many cells are in the average human body? 2. List some types of cells found in a human body: 3. How are cells alike AND different than bricks in a brick wall? TASK TWO – How are Prokaryotic and Eukaryotic Cells Different? Use the link below to watch the “Prokaryotes and Eukaryotes” video by The Amoeba Sisters. As you watch, answer the questions. http://tinyurl.com/qf42rnp 4. Why aren’t antibiotics effective against fungi infections? 5. What are some common organelles, or parts of, all cells? 6. What does a ribosome do? 7. What are two differences between prokaryotic and eukaryotic cells? 8. What are three examples of organisms with eukaryotic cells? 9. Eukaryotic muscles cells contain a lot of what type of organelle to produce energy? 10. Why do and quantities of different organelles vary slightly within different cells? . TASK THREE – Learn About and Build a Prokaryotic Cell Click on the link below to build a prokaryotic cell on the Interactive Concepts in Biochemistry Website. Then click on the “prokaryote cell” tab on the right of the screen. Follow the directions below to complete this section of the webquest. http://tinyurl.com/be4dx 11. Scroll your mouse over the different parts of the prokaryotic cell. As you read about the different parts, label the following diagram below. 12. Scroll your mouse over the different parts of the prokaryotic cell again. As you read about the different parts, complete the following graphic organizer. Organelle of Prokaryotic Cell Function of Organelle Drawing of Organelle Pili Ribosome Mesosome Cell Wall Nucleoid Region Flagella Cytoplasm 13. On the right side bar of the interactive, click the button that says “Construct a Cell”. Choose the prokaryotic cell and construct a cell within the site. When you are finished, write ONE thing you learned from construction of the cell in the space below. TASK FOUR– Learn About and Build Eukaryotic Plant and Animal Cells Click on the following link to complete the “What Do Cells Do?” activity from the SEPUP website. Follow the directions below to answer the questions as you move through the activity. http://tinyurl.com/9f23x8x 14. Click “Start”, read the directions, press “continue”, and then “okay”. Place your mouse over the organelles in the interactive to learn more about each organelle. Complete the following graphic organizer as you move through the organelles. Organelle Summary of Function Nucleus Cell Wall Lysosome Mitochondria Chloroplast Vacuole Cell Membrane and Cytoplasm Vesicle Free Ribosomes Cytoskeleton Golgi Apparatus Endoplasmic Reticulum 15. Construct an animal cell in the interactive. Draw it in the space below. Label all 10 Parts. 16. Construct a plant cell in the interactive. Draw it in the space below. Label all 11 Parts. 17. After you complete the plant cell, click “continue”. Follow the directions to summarize the differences between Animal and Plant cells using a Venn Diagram. Copy the Venn Diagram in the space below. TASK FIVE: Types of Transport Animation Click on the following link to complete the “Membrane Transport” animation from the BioNova website. http://tinyurl.com/gsjstwj A. Click “Menu” on the bottom left hand side of animation screen. B. Click “Passive Transport” C. Follow animation to complete the following questions. Press the “Back” button anytime you need to go back in the animation. Simple Diffusion 18. Diffusion is the movement of molecules from an area of concentration. 19. The term chemical substance versus another. concentration to an area of refers to the relative of one 20. The rate of diffusion depends on: a) b) c) d) 21. Diffusion ends when an has been met. Facilitated Diffusion 22. How is facilitated diffusion different than simple diffusion? Osmosis 23. How is osmosis different than diffusion? 24. What is the difference between hypertonic and hypotonic? 25. Water will travel by osmosis from a environment to a environment. A. Click “Main” on the bottom left hand side of animation screen. B. Click “Active Transport” C. Follow animation to complete the following questions. Press the “Back” button anytime you need to go back in the animation. Active Transport - Click on the Active Transport Tab. 26. Does active transport go with or against the concentration gradient? 27. What type of energy does active transport require? Click on “Endocytosis” Tab at the bottom of the screen. Then take notes in the following table on the three types of Endocytosis. 28. Phagocytosis 29. Pinocytosis 30. Receptor-Mediated Endocytosis 31. Go back to the “L” section of the KWL on page one of this handout. List 2 things you learned during task 3 in the L- column. TASK SEVEN: Tonicity and Osmosis Click on the following link to access the Tonicity and Osmosis on Cells Virtual Lab from the Glencoe Science website. Follow the directions on this handout to complete the lab. http://tinyurl.com/4d7pyl9 Place each cell in all three different liquids. In the chart below, record your results. Write “Shrink” if the cell shrinks, “Swell” if the cell swells, and “Normal” if the cell stays the same. In the last column, explain why this change or no change is occurring in your own words. Use the words water, solute, and cell in all the answers to the fifth column. Type of Solution Red Blood Cell Elodea Cell Paramecium Cell Where is the Water Going? Why? 32. Hypotonic Solution 33. Isotonic Solution 34. Hypertonic Solution TASK 8: Active Transport Click on the following link to watch the Exocytosis and Endocytosis video from the McGraw Hill website. http://tinyurl.com/horwngg Click on the following link to complete the Endocytosis and Exocytosis animation. Read the introduction and then click “Go To Animation” to complete the activity. Listen to the animation and read the text. You will move through THREE different types of active transport. Fill in the blanks as you go. http://tinyurl.com/hrf6j8v 35. Exocytosis is the movement of particles the cell. of the cell, while endocytosis is the movement of particles 36. During exocytosis, materials are moved out of the cell through of with the plasma . The transport vesicle moves toward and attaches to the membrane the vesicle’s contents into the 37. During endocytosis, large molecules are moved 38. In (literally “cell off and moves into the and some the cell by the of the plasma membrane. “), the plasma membrane form as a kind of harbor that as a vesicle. The vesicle carries primarily . 39. In endocytosis, receptors in the plasma membrane to specific molecules and then onto them. The cell membrane then forms an called a that pinches off, delivering the receptor-held molecules to the cell’s cytoplasm. 40. In particles and The pseudopodia moves into the cell (literally “cell “), larger materials such as are enveloped by the particle and their membranes together, forming a vesicle that with the captured particle Unit 3- Photosynthesis and Cell Respiration TASK ONE – INTRODUCTION TO ATP Use the link to watch the “What is ATP & How It Works” video. As you watch, fill in the blanks below. http://tinyurl.com/nm7yybr 1. The full name of ATP is 2. Label the ATP Diagram to the right with what each shape represents. 3. ATP is a molecule in the cell that allows for quick and easy organelles. 4. ATP is a type of are when needed by the cells that between two energy when the chemical bonds groups. 5. The abbreviation for Adenosine Diphosphate is 6. The ADP enters the cell’s to the molecule. The molecule becomes and is recharged when the mitochondria adds another again. TASK TWO – CELL RESPIRATION & PHOTOSYNTHESIS Use the link to access the “Photosynthesis and Cell Respiration” article. As you watch, fill in the blanks below. http://tinyurl.com/cpqovbw 7. Photosynthesis is the process used by plant cells to convert , so as to create energy-rich 8. Cellular respiration is the process of in the form of from the sun into molecules like glucose. food molecules to obtain energy and ATP molecules. 9. Photosynthesis takes place in the cells of plant leaves in structures called , which contain . The plant cells absorb light from the sun through the chlorophyll and using and obtained from the environment, undergo a series of chemical reactions to produce molecules. it 10. Look at the picture. Copy the chemical reaction for photosynthesis below in symbols and words. 11. Cellular respiration takes place in the way in both 12. Living cells obtain the produce molecules. of photosynthesis (sugar molecules) and undergo cellular respiration to 13. Some cells respire , using respiration, and , while others undergo using oxygen. 14. Look at the picture. Copy the chemical reaction for cellular respiration below in symbols and words. 15. Read the last section “Differences Between Cell Respiration & Photosynthesis. Use the details in this section to fill in the table below to compare and contrast these processes. 3 Details About 2 Ways They Are Alike 3 Details About Photosynthesis Cellular Respiration TASK THREE – PHOTOSYNTHESIS & FOOD Use the link to watch the “Simple Story of Photosynthesis & Food” video. As you watch, fill in the blanks below. http://tinyurl.com/llmtp2m 16. What percentage of the food we eat comes from carbohydrates? 17. What are carbohydrates made of: 18. What are the pores in a plant’s skin called? 19. What light absorbing pigment is found in chloroplasts? 20. The sun helps covert carbon dioxide into a simple carbohydrate called: 21. What is another name for cellulose? 22. What does starch do for a plant? 23. When we break down glucose, what energy molecule is produced? 24. What are three ways we use ATP? 25. How is ATP like dollars? 26. Which organelle is responsible for breaking down carbohydrates into useable energy? 27. Do plants have mitochondria? TASK FOUR – ANAEROBIC & AEROBIC RESPIRATION Use the link to watch the “Respiration” video. As you watch, fill in the blanks below. http://tinyurl.com/jp52vct 36. What is the difference between respiration and breathing? 37. What is more efficient? - Anaerobic or Aerobic Respiration? 38. What compound is responsible for the cramps that we feel when we run out of oxygen? 39. The build up of lactic acid causes: 40. What is the name of the length of time needed for us to pay back our oxygen debt? TASK FIVE – FERMENTATION Use the link to watch the “Fermentation Of Yeast & Sugar” video. As you watch, fill in the blanks below. http://tinyurl.com/joxuxuk 41. Fermentation is a metabolic process that coverts 42. Fermentation occurs in into , bacteria, and other microorganisms, as well as 43. The bottle with the MOST sugar grew to a 44. Yeast is a type of size. . 45. When the yeast digests sugar and starches, it produces the waste products of . and 46. Write the fermentation equation shown in the video in the space below. Write the symbols and words. 47. Is yeast fermentation an anaerobic or aerobic form of cellular respiration? Why? ___________________________________