Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?
a) a eukaryotic cell that can make its own food
b) a prokaryotic cell that can make its own food
c) an aerobic bacterium
d) an anaerobic bacterium

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.

Are the layers of rock above and below the coal older or younger?

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?