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Assignment #2

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Assignment #2 (Chapter’s 3 & 5)- Total 14 pts Name: 1. You mix olive oil, vinegar, and water together to make salad dressing. You noticethat, when you add the vinegar to the water, the two mix immediately. When you add the olive oil, it floats on top of the solution. The vinegar is ____________, and the oil is __________. (hydrophobic / hydrophilic)2. You know there is trans-fat in your chocolate chip cookies when you find which ofthe following ingredients listed on the product packaging?a. Butterb. Canola oilc. Partially hydrogenated canola oild. Larde. Palm oil3. What is the building block of proteins?a. Monosaccharidesb. Glycerolc. Fatty acidsd. Amino acids4. Which combination of foods would contain all of the essential amino acids?a. Apples and white riceb. Almonds and lentilsc. White rice and lentilsd. Almonds and apples5. What is the complimentary sequence of the following DNA strand: CCCCTTAGGAACC?6. Which type of carbohydrate will cause moderate, long term increases in blood sugar?a. Monosaccharidesb. Disaccharidesc. Polysaccharidesd. Both a. and b.7. Cellulose is nearly identical to starch; however, we cannot digest cellulose. Why?a. Cellulose molecules have a different shape.b. Cellulose molecules are larger.c. Cellulose molecules are acidic.d. Cellulose molecules lack carbon-hydrogen bonds.e. Cellulose molecules are formed entirely from fructose.8. Why is conversion of energy from one form to another inefficient?a. Because it is impossible to harvest 100% of the sun’s energyb. Because some energy is always transformed into heatc. Because forming chemical bonds is a poor way to store energyd. Because it is impossible to release all the stored energy in a chemical bond9. Which covalent bond in ATP is most unstable and thus holds the greatest potential energy?a. adenine-riboseb. ribose-phosphatec. phosphate-phosphated. Both a. and b.10.The __________ energy in the concentration gradient of protons in the chloroplast is converted to _________ energy to produce ________.a. kinetic; potential; ATPb. potential; kinetic; ATPc. kinetic; potential; NADPHd. potential; kinetic; NADPH11.Which organism below does not use glycolysis to produce ATP?a. E. coli (bacteria)b. Corn (plant)c. Lemur (animal)d. Mushroom (fungus)e. None of the above.12.Which answer below is a product of the Krebs cycle?a. ATPb. NADHc. FADH2d. CO2e. All of the above.13.Which process is similar between cellular respiration and photosynthesis?a. Both break down sugar to form ATP and electron carriersb. Both use light to produce ATP and electron carriersc. Both produce a proton gradient for ATP productiond. Both use oxygen as a final electron acceptor14.Electron transfer, formation of the proton gradient, and ATP synthesis all produce some heat. These are examples of:a. first law of thermodynamics.b. second law of thermodynamics.c. potential energy.d. kinetic

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