John is a 53-year old contractIon worker who has come into your office complaining of a sore knee joint. You see a buildup fluid close to the patella (kneecap) but deep to the skin and suspect the soreness is due to burs ...
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Question: In Portugal, employers are not allowed to terminate employees. In Japan, employers are required to measure the waistlines of their employees, and anyone whose waist exceeds the allowed size is put on a diet by ...
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A doctor is testing the effectiveness of a new antibiotic. He gives the first group of patients a placebo, a second group receives antibiotic A while the third group receives antibiotic B. Which of the groups is consider ...
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Question: Darwin was not the first to consider evolution as a process but he did come up with the first effective explanation for how it happens. Describe Darwin's theory of evolution by natural selection. Explain how th ...
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If you don't water a plant it will eventually die. Explain why the absence of water halts photosynthesis. Also, cells that use aerobic cellular respiration, like humans, do not produce ATP at normal levels without oxygen ...
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Why soap changes the surface tension of water? And why adding water into penny, the average of water drops in 90oC temperature water is less than average of water drops in room temperature
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A filamentous organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplast. why would you classify this organism into "domain eukarya, kingdom of fungi"
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The allele for hitchhiker's thumb is recessive to the dominant straight thumb. In a population of 500 students, 25% have hitchhiker's thumb. How many students would you expect to be homozygous dominant for the trait?
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Which are the logical steps proposed by Margulis that would help explain why the accumulation of oxygen in the atmosphere led to the evolution of mitochondria.
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How do I calculate the number of molecules needed for lethal dose? I am given the chemical name's LD50 and the "Estimated Lethal Dose (in grams) for 60kg human.
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