Answer:
I think so this is the answer
Answer:e
retroviruses
Explanation:
Retroviruses appear to cause cancer in their host by mutating the host gene sequences allowing for the activation of some potentially oncogenic genes to be expressed. They do this by inserting their proviral DNA into the host genome at specific regulatory sequences deregulating cellular signaling and transcriptional controls.
Ans
C) fourth
Explanation:
I took ap environmental science and we leaned this
Answer:
A neutron does not affect the charge of an atom because it has no charge but it will change the mass of the nucleus. Adding or removing neutrons from the nucleus creates isotopes.
Explanation:
