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Cell Structures
Cell Behaviors
Cell Life Cycle and Tissues
100
What organelles store food and other materials needed by the cell?
vacuoles
100
Cells cause us to grow by ____________.
adding new cells through mitosis or cell division.
100
The regular cycle of growth and division that cells live in is called ________________
the cell cycle.
200
What is the control center of the cell?
nucleus
200
The cell membrane and water are both involved in ____________.
The movement of materials into and out of the cell.
200
Mitosis is the stage of the cell cycle during which ______________.
the cell divides into two new cells.
300
What does the cell membrane do?
to control what enters and leaves the cell.
300
What term (word) refers to the movement of molecules from an area of higher concentration to an area of lower concentration?
What is passive transport or diffusion.
300
Interphase is the part of the cell cycle during which a cell carries out ____________.
most of it's life process. The cell spends most of it's time in this phase.
400
What does the Mitochondria do?
They convert energy from food molecules into energy the cell can use.
400
What term is the name for the movement of materials through a cell membrane when the cell’s energy is required?
Active Transport
400
What is copied during replication?
The cell's DNA
500
water important for a cell because ___________.
Most chemical reactions in cells require water.
500
Cells in many-celled organisms ________________.
are often quite different from each other.