Answer: C
Explanation: The two chromatids of a duplicated chromosome are held together at a region of DNA called the centromere. Centromeres are the attachment points for microtubules, which are responsible for the guiding the movement of chromosomes during mitosis and meiosis.
Answer:
-provides protection for a cell
-provides a fixed environment inside the cell.
-The cell membrane also provides some structural support for a cell.
Explanation:
Hello!!
In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.
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They allow the section of dna to match up with the plasmid in the right position
Answer:it is important to preserve nature because it helps us get resources. Helps us breathe and survive. Ans we wouldn’t have many things if it weren’t for nature
Explanation:
