Answer:
Ithink the answer is tennis ball because the tennis ball is small.
No because it still moves along and stays on track
It stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include intermediary metabolism, growth, protein synthesis, and reproduction (cell division). The diverse functions of the ER are performed by distinct domains; consisting of tubules, sheets and the nuclear envelope.
Answer:
true, the alternative would be postzygotic barriers.
Explanation:
Stem cells can specialize into any type of cell in the body
