Describe what endosymbiotic theory is. it is a theory that explains the evolutionary history of prokaryotic cells. early eukaryotes were able to engulf other eukaryotic cells resembling chloroplast and mitochondria forming an endosymbiotic relationship it is a theory that explains the evolutionary history of eukaryotic cells. early prokaryotes were able to engulf other prokaryotic cells resembling chloroplasts and mitochondria forming an endosymbiotic relationship.

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers