How are viruses different from bacteria? a) viruses are not alive. b) viruses have no protective shell. c) viruses have no lytic cycle. d) viruses do not contain dna.

A) Viruses are not alive. - yes they are alive, dead viruses are used in vaccines

B) Viruses have no protective shell. - yes, they have

C) Viruses have no lytic cycle. - this is specfic for bateria

D) Viruses do not contain DNA. - every virus contain a DNA!

your answer is C

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass