Which is evidence for the idea that cells are the basic units of life? a. cells are generated spontaneously. b. there are many different sizes of cells. c. there are many unicellular organisms in existence. d. plants do not contain any cells.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

During binary fission, what events must occur before the cell splits into two new cells?