Answer:
The correct answer is D sister chromatids;centromere
Explanation:
After DNA replication during s phase or synthesis phase of interphase of the cell cycle,each chromosome has a copy and the cell that is newly formed is now 4n.
We cal these identical pairs sister chromatids and they are held together by a centromere
Answer:
Combustion
Explanation:
Combustion is the chemical reaction that happens when fuel burns.
The answer is cells, tissues, organs, organ systems, and organisims. Taxonomy is very nice