Why can dna be used to construct a tree that shows all living things

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

True or false multiple lane changes must be done individually going through the same procedures for each lane change

Why does controlling transcription affect prokaryotic gene expression?