Biologists think that endosymbiosis gave rise to mitochondria before plastids partly because: (All eukaryotes have mitochondria whereas many eukaryotes do not have plastids)
Answer:
kingdom
Explanation:
kingdom is the broadest taxonomical classification
Answer:
When helicase mutations occur, problems in DNA replication are found. The helicases are proteins that open the 2 strands of DNA to initiate the duplication, they are responsible for breaking the hydrogen bonds between the two DNA chains, thus separating the chains, also they have the function of repairing DNA mutations, if there is mutation in the gene that encodes them, various functions will be absent in the cell.
1. Intensity.
2. Duration of shaking.
3. Nature of material upon which structure rests.
4. Nature of building materials and the construction practices of region.