What effect does ligand binding have on receptor tyrosine kinase proteins?

After which event could you say that evolution has occurred? question 1 options: an allele frequency changes in a population. a white-eyed fly is born into a population of brown-eyed flies. a new predator comes into an environment. an animal gets fat.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12