Who discovered that all cells come from preexisting cells?

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Why do oceanic plates tend to subduction when colliding with a continental plate

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality