(a) How long would you have to work at an activity of 15 kal/min to lose 4.45 kg of proteins? (b)lf you normally use 3500 kal/day, how long must you diet at 2500 kal/day to lose 4.54 kg of proteins?
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- Directions: Have the materials ready before doing the activity. Take pictures of yourself while doing the activity and answer the following questions after the experiment done. "Ever have a bad hair day? Try this, and the day won't be a total loss!" Materials Needed: Plastic comb; paper. Procedure: Prepare all the materials needed. Tear off several bits of paper about the size of a pea or smaller. Place them on a table or counter. Bring the comb near to the paper bits. Question 1: What happens to the paper and comb? Do they attract or repel? Why? Procedure: Next, run the comb through your hair several times and again bring the comb near the bits of paper Question 2: What happens now? Explain your observation Question 3: What type of charging methods does it relate?QUESTION 1 You are reading the results of a motility test tube that was incubated for 48 hours at 37 C. You look at the tube and see a red diffused color radiating away from the inoculation line. How would you interpret these results? OA. No growth. B. No motility. OC. Motility. OD. It is a mixed culture. QUESTION 2 You are trying to determine if a bacterial isolate is motile. What tool should you use to inoculate the motility test agar tube? OA Inoculating loop OB. Sterile swab OC. Inoculating needle OD. Sterile wooden stick(a) A commercial 737 jet transporting 143 passengersand 5 crew members from Kansas City (MCI) to Baltimore (BWI) burned 11,800 lb (about 1700 gallons)of Jet A fuel en route. Jet A fuel is kerosine based,consisting primarily of CnH2n+2 hydrocarbons, withn: 5 6 to 16, so the carbonhydrogen ratio is close to12. During this flight, how much CO2 was releasedinto the atmosphere? Assume the combustion of thefuel was complete, so all the fuel was burned to formCO2 and H2O. Give both the mass of CO2 produced(in kg and in lbs) and the volume it would occupy at298 K, 1 atm.(b) How much CO2 would be released into the atmosphere if those passengers and crew made the tripinstead, in pairs, in hybrid cars at 40 miles per gallon.Assume the density of the gasoline is 0.75 kg L21andthat carbon and hydrogen dominate the compositionin a ratio of 1:2. The road trip is 1082 miles.
- Example: Suppose you wish to lose 4.54kg either through physical activity or by dieting. 1-How long would you have to work at an activity of 15Kcal/min to lose 4.54kg of fat?1) Suppose that the initial number of bacteria in a culture is 200, and that there are 700 bacteria present after 2 days. How long would it take for the number of bacteria to reach 4000? 2) A bowl of soup originally at 140 F is sitting in a 70 F room. After 10 minutes, the soup has cooled to 120 F. How long will it take for the soup to cool to 90 F?If the U.S fleet of vehicles suddenly became 15% more fuel efficient, how much annual emissions of CO2 would that prevent? Assume the following: 200 million vehicles in the ITS., each driving (on average) 12,000 miles/year, with an average fuel economy of 18 mi/gal» Also assume each gallon of gasoline contains about 5 lb of carbon.
- In the 1930s, the biologist Max Kleiber studied animals' metabolic rates. He 3 4 1 expressed the ratio of the rates for two animals by the relation where "1 %3D m1 and 2 are the animals' metabolic rates and m1 and m2 are the animals' masses. a) Compare the metabolic rates of a 70-kg man and a 15-kg dog. b) Compare the metabolic rates of a 5-kg cat with that of a 50-g mouse. c) Compare the metabolic rates of a 10-g hummingbird and a 5000-kg elephant.0.055 d 2 0.637 chool A human population of 10,000 individuals has a birth rate of 90 per every 1000 persons and a death rate of 16 per every 1000 individuals. Calculate the yearly increase of the population growth. O 740 individuals/year O 11,074 individuals/year O 10,074 individuals/year O 74 individuals/year The bluestreak cleaner wrasse is a fish that inhalats coral reefs. These fish eat parasites off of larger fish. The larger fish benefit from increased health. In return, the wrasse receive nutrition and protection from the larger fish. What type of interaction is this? O Mutualism O ParasitismConsider a man who has 20 kg of body fat when he goes on a hunger strike. Determine how long he can survive on his body fat alone
- How many 6.60 × 10−6 m long red blood cells stack up to be the thickness of a single sheet of 1.0 × 10−4 m thick paper?H.W: How many nanocubes can you get if you break the cube with 1 m on each side into 1 nm length? What is the collective surface area of the nanocubes? Answer: (No. = 1027, Total SA = 6 x 10° m2 = 6000 km?)Height velocity graphs are used by endocrinologists to follow the progress of children with growth deficiencies. The figure below shows the height velocity curves of an average boy and an average girl between ages 3 and 18. y (cm/yr) 10 8. 6. 4. 2. x (years) 2 4 6 8 10 12 14 16 18 (a) Which curve is for girls and which is for boys? The blue curve is for girls and the black curve is for boys 6. APR 5 66 14 étv 280 MacBook Pro.