Skeletal system - support id the body and protection of internal organs (brain heart and lungs) bones responsible for red and white blood cells
If the nuclear membrane didn't exist, there would be a rule of what goes in the cell and what doesn't. Also bad germs or bacteria will get in the cell that will cause problems.
Answer: a. Genetically significant dose
Explanation:
Genetically significant dose is the index of radiation that is received by the genetic pool. It determines the progeny of the given population. This can be achieved by weighting the individual dose of the gonads that is received by the x-ray examination or ionization imaging by the individuals being examined also by the contribution of those persons to the expected number of children to be born in future.
It represents an estimate of the genetic significance of gonad radiation doses.
The answer should be d, they are in domain eukarya so their cells are eukaryotic.