Which term describes the relatively constant internal physical conditions of an organism? a.) cell specialization b.) homeostasis c.) organ system d.) unicellularity

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?