The statement above is FALSE. In the scenario given above the doctor is working at the organ level. This is because, he is working with lung which is an organ that participates in breathing. The lung is an organ because it is made up of different tissues which are in turn made up of different cells.
Working at the cellular level involve working with cells. For instance, when a microbiologist is growing a cell in a culture, he is working at a cellular level.
DNA polymerase is one way to directly correct DNA replication errors. It checks the base that has been freshly supplied ahead of the succeding base so a corretion can be done. If it cannot proofread, an outcome of mutation is greatly possible which is considered as an i
Answer: because they will divide
Principle of fossil succession is the concept mentioned above.
There are three populations in your household.