Definitions
The process in which a cell grows and divides is called
The cell cycle
During mitosis, the cell’s nucleus divides into two new ________ and one set of DNA is contributed into the daughter cell.
Nuclei
First, the cell must grow in size and double its contents. This phase is called ___________.
Interphase
In order to live and function, cells must let certain materials _________ and ___________
In and out; or Enter and leave
List ONE reason why cell division is important
Answers vary
In a process called ___________________, proteins in the cell membrane form channels through which the sugars can pass.
Facilitated diffusion
First sub-part of mitosis
Prophase
Next the cell must divide up its contents so that the ________ daughter cells will have roughly equal contents.
Two daughter cells
What must be able to move INTO a cell?
Water, food particles, and oxygen
List ANOTHER reason why cell division is important
Answers vary
Movement allows the cell to maintain ________________ (a stable internal environment) and get all the chemicals needed for life.
Homeostasis
Second sub-part of mitosis
Metaphase
This second phase is called _________ , and it has several stages.
Mitosis
What must move OUT of a cell?
Waste
List one FINAL reason why cell division is important
Answers vary
the process by which molecules move from an area of higher concentration to an area of lower concentration.
Diffusion
Third sub-part of mitosis
Anaphase
Finally, the cell’s cytoplasm physically divides in two in a phase called__________
Cytokinesis
What is the function of the cell membrane?
To let substances in and out of a cell
Fourth sub-part of mitosis
Telophase
Cells can only be produced by______________
Other cells