Amolecular biologist measures the mass of cofactor a in an average yeast cell. the mass is 24.7pg. what is the total mass in micrograms of cofactor a in a yeast colony containing 10^5 cells?

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Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.