Which of the following statements is incorrect regarding prokaryotic cells?
a) they typically have a circular chromosome.
b) they lack a plasma membrane.
c) they reproduce by binary fission.
d) their dna is not enclosed within a membrane.
e) they lack membrane-enclosed organelles.

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.