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)

Please help.

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.