Aresearcher is attempting to extract specific cells from a human kidney to regenerate and repair damaged kidney cells in a patient. the research is attempting to extract

a.) totipotent stem cells
b.) embryonic stem cells
c.) adult stem cells
d.) all of the above are correct

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.

List two modern organisms that have pentameral symmetry

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses