In cells, the energy to transport substances from areas of low concentrations to areas of high concentration comes from which of the following molecules? amino acids atp rna fatty acids

The instructions for making proteins come originally from

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations