Adenine, guanine, cytosine, and thymine are the four nitrogenous bases present in the dna of all organisms. which scientist discovered these bases? rosalind franklin erwin chargaff linus pauling

How does land development destroy ecosystems? it increases human carrying capacity too rapidly. it converts them into residential or agricultural areas. it forces humans to import non-native plants and animals. it expands the natural range of native wildlife species.

How can you approximate the number of calories required to keep you in energy balance?

What processes take place before the mature mrna exits the nucleus?