Guide Questions:
1. Which is the largest phase in the cell cycle?
2. Which is the shortest phase?
3. Why is it important for the cell to produce proteins before dividing?
4.If the cell cycle is uncontrolled what will happen to the cell?
1. Which is the largest phase in the cell cycle?
2. Which is the shortest phase?
3. Why is it important for the cell to produce proteins before dividing?
4.If the cell cycle is uncontrolled what will happen to the cell?
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Answer:
1.)Interphase
Interphase is the longest part of the cell cycle. This is when the cell grows and copies its DNA before moving into mitosis. During mitosis, chromosomes will align, separate, and move into new daughter cells. The prefix inter- means between, so interphase takes place between one mitotic (M) phase and the next.
2.)G2
Summary. G2 is the shortest phase of interphase. It is when organelles and proteins necessary for cell division are produced. The cell requires a bunch of proteins and other stuff to separate the chromosomes and divide the cell in half.
3.)Duplication of the genetic material
Before a cell can divide, it must accurately and completely duplicate the genetic information encoded in its DNA in order for its progeny cells to function and survive. This is a complex problem because of the great length of DNA molecules.
4.)Even when all of the cell-cycle controls are fully functional, a small percentage of replication errors (mutations) will be passed on to the daughter cells. ... Uncontrolled growth of the mutated cells outpaces the growth of normal cells in the area, and a tumor can result.