Vocabulary
Unicellular
Consisting of a single cell.
List the 3 principles of cell theory.
1) All living organisms are made of cells.
2) The cell is the basic unit of life.
3) All cells come from other cells.
give an example of a negative feedback mechanism.
Fruit ripening.
Cell division through ___ gives rise to many identical cells.
Mitosis.
What two types of cells are the basic units of life?
Prokaryotic and Eukaryotic.
Organelle
Organized structures living within a cell.
Although there are two main types of cells, all cells have-
Genetic material.
Cytoplasm.
Cell membrane.
Ribosomes.
give an example of a positive feedback mechanism.
Human body temperature.
A process that creates special structures and functions.
Differentiation.
Cancer
An uncontrolled division of abnormal cells in a part of the body.
Metastasize
cancer spreading to other parts of the body by metastasis.
What two types of cells are the basic units of life?
Prokaryotic and Eukaryotic.
On a cellular level, much of homeostasis is maintained by the-
Cell membrane.
What are stem cells?
Undifferentiated cells that can become differentiated into one or more types of specialized cells.
A process that creates special structures and functions.
Differentiation.
Cancer
An uncontrolled division of abnormal cells in a part of the body.
Do prokaryotic cells have a nucleus?
No.
How does the cell membrane affect the cell?
Controls the movement of things in and out of the cell.
What are the two types of stem cells?
Embryonic stem cells and Adult stem cells.
Solution
A mixture of a solvent and a solute.
Carcinogens
A substance that is cancer-causing such as tobacco.
What are the two types of genetic material?
DNA and RNA
What can't pass through the cell membrane?
polar and or large molecules.
What goes through cell division over and over again after the egg is fertilized?
Zygote.
What are stem cells?
Undifferentiated cells that can become differentiated into one or more types of specialized cells.