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During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above

What would be the mass of an atom with 8 protons and 8 neutrons? a) 16 amu b) 8 amu c) 64 amu

Missense, nonsense, and silent mutations are examples of which type of mutation?