Kevin decides to find out which fertilizer is best for tomatoes. he pots up three plants, all with the same soil, giving one no fertilizer, giving the second type a fertilizer, and giving the third type b fertilizer. in this experiment, what is the control, or kevin's standard for comparison?

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

What problem would a person most likely have if her kidney did not work correctly?