Microtubules provide a rigid structure, or cytoskeleton
Answer:
it's going to be called nucleotides
The resulting two cells will have an identical genetic composition.
Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
Hope I could help! :)
