Avirus is best describes as a a- living unicellular prokaryotic cell b- piece of dna that transform a bacterium c- partially living agent that causes disease d- nonliving particle that multiplies inside a cell

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

What is an example of a scientific question that galileo could not have answered with out this new tool?