What is a deuterostome? a. trait in which an animal has repeating body parts able to be specialized for different functions
b. animal in which the mouth forms first in development
c. animal in which the mouth forms second in development
d. trait in which the nervous system is concentrated in one end, forming a head

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.

What is thought to have caused the mass extinction at the end of the cretaceous period?

What are the characteristics of living things