A scientist obtained a mass of 0.0062 nanograms of DNA from a diploid human cell. Calculate the mass of DNA the scientist should obtain from a haploid human cell.
Give your answer in pictograms.
(1 nanogram = 1000 pictograms)

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Why do we perceive objects as retaining their brightness under different lighting levels?

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?