1 gen có tổng số 1500 cặp Nu như sau
3·

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee

In which area of the neuron is an action potential initially generated?