Henrietta lacks had a tumor whose cells changed medical research. this cell line is called what?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Which feature of a human community is similar to a niche in a biological community