Dow X Q ncia.wwnorton.com/174202 INQUIZITIVE Chapter 4: Life Is Cellular: Engineering Life Page 70 4.4. Diagram a plasma membrane, showing how the structure allows some substances in and keeps others out. Which region of a phospholipid—the head or the tail—can be described by the following terms? Match the labels to the image. hydrophobic polar hydrophilic nonpolar Drag each item above to its appropriate location in the image. Note that every item may not have a match, while some items may have more than one match. Show All Droppable Areas Open Image In New Window 2 3 4 5 6 7 8 9 Q W E R T Y U I O S D F G H J K Z X C V B N M < command com
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Label each image using the structures listed below. Please draw directly on each image and use arrows. You may not use all the labels for every image, but you should label any of the listed structures that are seen for that type of cell. You may need to review your textbook, class lectures, and links to be sure you understand which organelles are in which type of cell but not in others. cell wall cell membrane nucleus chloroplast amyloplast (starch granule) Elodea Cheek cells stained with methylene blue Onion cells stained with iodine Fission yeasts with a nuclear stain Potato cells stained with iodine Bacterial cells stained with methylene blue
Supreeta N.
Post Lab Questions: What does VSEPR stand for? Explain its meaning in your own words. What molecules in Part 1 consisted of only two atoms? The program did not give a bond angle to a molecule consisting of only two atoms. Why? Think geometry Looking at the table in Part 2, some of the angles stayed consistent while others did not. Compare and contrast the two groups of molecules (those with matching angle measurements to those with different measurements). What is causing the angles to skew? Explain why this might be. What angle is needed to spread 4 bonds as far apart as possible? Hint: look at a molecule with four separate bonds. Find the two generic molecules from Part 1 that are made of 3 atoms. a. Compare and contrast these two molecules by listing two similarities and two differences. b. Give a real life example of each. Who are the 2 most electronegative elements on the periodic table? Why does this question apply to
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The hydrophobic effect is affected by temperature; does it become stronger or weaker as the temperature decreases? Select one: a. it becomes weaker b. it becomes stronger Digestion of RBC's with a protease leads to the partial digestion of a membrane protein. The data supports which of the following locations for the protein. Select one: a. it's a transmembrane protein b. either in the outer leaflet or transmembrane c. within the inner leaflet d. within the outer leaflet A sphingosine glycolipid with only one sugar is called a cerebroside. Select one: a. False b. True Oleic acid is a:
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