Can you tell from this tree whether a C at position 15 evolved before or after a T at position 15? Explain your answer.

Cells destroy body cells infected by a virus or bacteria.

Someone me with this: a mineral' is determined by its actomic structure.

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.