Where in an embryo are the instructions located for how to build organs?

a. amino acids
b. nucleus
c. endoplasmic reticulum
d. ribosomes

Amistake occurs during mitosis of a muscle stem cell.how might this affect muscle tissue

What are charcteristics of lithosphere?

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil