Explain how a stem cell knows what to become. Use the following terms in your response: gene expression, DNA, transcription factor, mRNA and differentiate.

Biology 1c cumulative exam i need awsners

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

What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells