Which behavior is a response to an external stimulus? A. A child gets a fever to fight off the flu.

B. An elephant drinks water to quench its thirst.

C. A dog vomits during an illness to rid itself of pathogens

D. A turtle suns itself on a rock during a cool day​

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.

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Nh3 +02-no + h20 is unbalanced what is the balanced equation