Answer:
Spindle fibers move chromosomes during cell division by attaching to chromosome arms and chromosome centromeres. A centromere is a specific region of a chromosome where duplicated chromosomes are joined. The identical, joined copies of a single chromosome are known as sister chromatids. The centromere is also where specialized protein complexes called kinetochores are found.
Explanation:
Answer: All cells come from preexisting cells.
Explanation:
The given paragraph is about cells develop from the preexisting cells. The doubling of the genetic material in the S-phase is the triggering mechanism for cell division. In the process of mitosis the genetic material get reduced. The daughter cells vary by the amount of genetic material they receive. This proves that the new cells form from the pre-existing cells.
Answer:
Yes, tests like urine and blood tests.
Explanation:
Make me brainiest.
Answer:
Your answer is: B) Primary Succession
Explanation:
Hope this helped : )
It should be 1000x which is the total magnification of the whole thing... I believe. Would you happen to be doing a microscope quiz