There Are 4 Valence Electrons So do the one with 4 valence electrons
It's important because it helps you measure things. The prefixes are telling you the distance or meters, etc.
Mutation can cause DNA to change
Answer: nucleus
Explanation: The nucleus contains the DNA which is a genetic material that contains all the instructions for protein synthesis. Before proteins are produced, the DNA is first of all copied into an single stranded RNA in a process known as transcription. This process takes place in the nucleus. The single stranded RNA then leaves the nucleus to the ribosome where protein synthesis takes place, there the RNA is translated into a polypeptide chain.
