Answer:
All of the above.
Explanation:
Regulation of the expression of genes refers to different processes tge cells use to increase or decrease the production of some gene content. It involve Turing gene on and off so as to ensure that appropriate genes are expressed at the right times. This allow organism to respond to changes in their environment.
If an atom is unstable it can become stable by the gain or loss of electrons.
1. Never lift or move clients
2. Take up weight lifting
3. stretch out after pulling or reaching
4. Use assistive devices
