The idea that all cells arise from the division of preexisting cells was first stated by a. anton van leeuwenhoek. c. robert hooke. b. rudolf virchow. d. robert brown.

Dna is always read in the whereas rna is read in .

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

10 15 20 time (minutes) using the graph of data from this experiment, at which point was the light source most likely removed? ob