How did Rudolf Virchow contribute to the cell theory? I know that he added the third tenet "Omnis cellula e cellula", which means that all cells come from [pre-existing] cells, but HOW did he come to this conclusion?

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur