Which of the following is the best definition for homeostasis 1- The movement of particles from one side of a cellular membrane to another.

2- The tendency of particles to distribute themselves evenly across a membrane.

3- The ability to maintain and regulate stable internal conditions of the cell.

4- The transfer of molecules in response to excess solute relative to a solution.

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.