What part of a plant cell is also found in animal cells but in a different form?

What is thought to have caused the mass extinction at the end of the cretaceous period?

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a