There are two ways to culture bacteria in a school laboratory: as colonies on an agar gel plate, or in a... what?

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

An infection of the pulp and the surrounding tissue in the mouth is called

Chitin is a chemical component of the cell walls