A mutation occurs whenever one of the bases in DNA is changed. What letters represent those bases?

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

The p sub shell can hold up to 8 electrons in an atom. true or false?

An observation that requires measurement is called quantitative observable or qualitative