3. Energy & Cell Processes

Befre a cell divides, what must occur?

When cells exit either semi-permanently or permanently from the cell cycle and develop a specific function, they are said to be in _____ phase.

Mark the following statements about the cell cycle as true or false. If a statement is false, correct it to make a true statement.

b. During metaphase, the sister chromatids are pulled apart and the chromosomes move to the opposite poles of the cell.

Mark the following statements about the cell cycle as true or false. If a statement is false, correct it to make a true statement.

d. The first three stages of the cell cycle are collectively called interphase.

Match the following terms with the correct definitions.     

____G1     

____Metaphase     

____S phase     

____Cytokinesis    

____Telophase    

____M phase    

____G2     

____Anaphase

a. Division of the cytoplasm

b. Second growth stage of the cell cycle

c. Stage of the cell cycle in which the cell divides

d. Stage of mitosis in which the sister chromatids line up on the cell's equator

e. Stage of the cell cycle in which DNA is replicated

f. Stage of mitosis in which the chromosomes move to opposite poles of the cell

g. Initial growth phase of the cell cycle

h. Stage of mitosis in which the nuclear envelopes reassemble