1 phân tử ADN có 3000 nucleotit, trong đó A= 900 a) xác định chiều dài của gen
b) tính số nucleotit

What feature of cell theory is best demonstrated in the image

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color