Which is mixed with proteins to break them into amino acids?

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

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

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million