A
if dna replicated conservatively instead of semi tively, what would the banding
pattern look like in a tube containing heavy nitrogen dna (15n) grown in regular, or light,
nitrogen (14n) for 1 generation?

What is the m’naughten rule? how did this rule come into existence?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex