What are the atmospheres of venus and mars primarily composed of?
a. ) at
b.) o2
c.) n2
d.) co2

Por qué crees que los huevos con cáscara se llaman amnióticos?

Idon’t understand this can someone give me the answer? you

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?