They occur in germ cell DNA, which are the cells that create sperm or Ova. For every 85 million nucleotides assembled in DNA during human sperm or Ova production, One will be a mutation
Leaves are green because of the presence of chlorophyll. The chlorophyll helps the plant in absorbing the lights lights having red and blue wavelengths. It actually reflects the lights with green wavelength. The chlorophyll helps the plants in making food. I hope that this is the answer that has come to your help.
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Permafrost areas have very cold air temperatures, thin topsoil, and most water is frozen during the winter. ... Tundra is found at high latitudes and at high altitudes, where the permafrost has a very thin active layer. The active layer of tundra is too thin for trees to grow, because it cannot support a tree's roots.
Answer:
That cells are not the building block of life
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