each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
Answer:
I did this and i got A. I got it correct so you should too.
that the chromatid pairs become visible
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Mitosis occurs when the nucleus of the cell divides into two identical nuclei, each with the same type and number of chromosomes. The cell's DNA is duplicated during this phase. Sometimes the cell's DNA isn't copied properly resulting in cancer-type cells. 2. Cytokinesis is when the cytoplasm divides into two identical daughter cells. Each cell is genetically identical and both are a similar size. </span>
The tap root system is one type of root system in which a primary root known as the radicle branches into smaller roots known as the secondary roots. The answer to this problem hence is C. <span>.there is a prominent primary root from which secondary roots branch out</span>