Answer:
Bacteria are one-celled organisms that take many shapes- spheres, rods, and spirals. Bacteria can live outside our body's cells.
Viruses are particles that invade your body's cells. Viruses contain genetic material and a protein coat. Viruses are smaller than bacteria.
Explanation:
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Answer:
1.They contain half the genetic material of their mother cells, and they become gametes.
Explanation:
Meiosis is the process through which gametes (in humans, sperm cells and egg cells) are created.
Before meiosis, the DNA is replicated in the diploid parental cell. Then, the parental cell undergoes 2 cell divisions: meiosis I and meiosis II.
After meiosis I, the cells are diploid (contain the same amount of genetic material as the parent cell. They divide again during meiosis II, to produce a total of four cells containing half the amount of DNA as the mother cells.
These cells go on to become gametes.
True, older peoples' bones wear & tear throughout the years, which throws off the balance and stability