Which animal would you expect to have more brown fat (provides heat by uncoupling ATP production), a seal or a domestic cat? Explain.
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Which animal would you expect to have more brown fat (provides heat by uncoupling ATP production), a seal or a domestic cat? Explain.
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- Which statement is an accurate comparison of aerobic and anaerobic respiration in humans? A: Aerobic respiration occurs in the cytoplasm and mitochondria, whereas anaerobic respiration occurs only in the cytoplasm B: Aerobic respiration primarily uses carbohydrates to produce energy, while anaerobic respiration uses lipids C: Aerobic respiration produced ATP as the primary energy molecules, while anaerobic respiration produces ADP D: Aerobic respiration requires enzymes to facilitate its biochemical reactions, whereas anaerobic respiration does not use enzymesBriefly describe what will happen in each of the following situations. Assume that sucrose molecules are too big and can NOT cross the pores of cellophane bag. Bag A filled with 20% sucrose suspended in a beaker of water. Bag B filled with 40% sucrose suspended in a beaker of water. Compare the expected rate of change in part (A) with part (B). Bag C filled with water suspended in a beaker of 40% sucrose.Two identically sized and shaped boneless skinless chicken breasts are purchased for dinner. One chicken breast is cut into approximately 1-inch pieces, while the second is left whole. Both will be cooked at the same temperature and in the same manner. Using information learned about surface-to-volume ratios, which will cook faster? Justify your response.
- How many atp come from one molecule of fat and 80 carbon from the fatty acid of the molecule ?How long can a camel survive without water and food in a desert if it has 20 kg of fat stored in its hump? Assume: All 20 kg weight of fat store is due to a 24-carbon chain fatty acid with molecular weight 350 Da (g/mol). Minimum water requirement per day for is 1.5 kg. Mol. Wt of water is 18 Da (g/mol). daysOver a period of several decades, an adulthuman consumes tons of nutrients and more than 20,000 L of water without significant weight gain. How is this possible? Is it anexample of chemical equilibrium?
- Why are fish living in cold waters particularly likely to have stores of unsaturated fats in their bodies, rather than saturated fats?Fat can be defined loosely as a source for energy storage in the human body. The human anatomy is designed to carry food reserves to ensure the body's survival when food becomes scarce. However, in our slim-conscious society, many people go to great lengths to keep fat from accumulating on their bodies, sometimes with harmful effects. Fat is more efficient in storing energy than carbohydrates for several reasons. First, fat is a highly concentrated energy source. Second, fat weighs less than the same energy amount of carbohydrates. Third, fat is much more efficient to carry as an energy source because it does not hold water as do carbohydrates. For example, an average 70-kilogram human male normally has about 11 kilograms of fat in his body. This fat represents enough stored energy to keep him alive for a month without eating. The same amount of energy stored as starch would double his body weight. Which view does the passage support? A. Fats lead to high levels of cholesterol. B. One…Please construct a model to show that the digestive, respiratory, and circulatory systems work together to supply the body cells with the glucose and oxygen needed for aerobic cellular respiration. Feel free to use words, diagrams, arrows, flowcharts, etc. to get your ideas across. Make sure you include the following information: Digestion of starch into glucose and the location(s) of digestion. Absorption of glucose into the blood and the location of absorption. Blood transporting glucose from the absorption site to the tissues. Glucose entering the tissue cells from the blood. O2 entering the blood in the lungs and the specific location of entrance in the lungs. Blood transporting O2 from the lungs into the tissues. O2 enters the tissues from the blood.
- Predict what would happen to the metabolic rate of the mouse if you increased the temperature. Predict what would happen to the metabolic rate of the mouse if you decreased the temperature (You can make this prediction with text or with lines on your graph). Support your prediction with evidence about endotherms and ectotherms. (Hint: Think about what happens to your body when you get hot or cold.)If Blue Whales each require 1,000kg of Krill per day to survive, and Krill have an energy density of 4,600 kJ/kg. How much of the energy contained in each kg of Krill eaten by a Blue Whale is available to the Killer Whale that feeds on a Blue Whale? (Provide an exact figure, not a percentage.)One food calorie = 1 X 103 calories = 1 kcal. A typical adult ingests about 2200 food calories per day. (A) show that an adult uses energy at about the same rate as a 100-W light bulb. {B) Calculate the total annual metabolic energy expenditure of the 6 X 109 people on the earth and compare it with the 4 X 1020 J per year energy used by the world economy. Assume all persons consume 2200 food calories per day, which is obviously incorrect.