The hershey-chase experiment proved that dna was the hereditary material because.
a) radioactive phosphorus in viral proteins was shown not to enter bacterial cells
b) radioactive phosphorus in viral dna was shown to enter bacterial cells (my choice)
c) radioactive sulfur in viral proteins was shown to enter bacterial cells
d) radioactive sulfur in viral dna was shown not to enter bacterial cells

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.