1. Two genetically identical copies of DNA
2. Finds an error in DNA, removes the incorrect nucleotide and replaces it with a correct one.
3. It is used as a copy/ "template" for replication in order to have two identical copies of DNA.
4. DNA helicase unwinds DNA double helix and Topiosomerase ensure there isn't too much unwinding.
5. Replication has a built on proofreading system - DNA polymerase removes the incorrect nucleotide and replaces it with a correct one.
Answer:
a food web is a a system of interlocking and interdependent food chains, while a food chain is a a hierarchical series of organisms each dependent on the next as a source of food or the series of processes by which food is grown or produced, sold, and eventually consumed.
hope it helps! :)
Explanation:
I guess the answer is B !! as it has no relevance and is not an observation !!
Lymph plasma and red blood cells swell the area to repair and protect the wound
