Cells
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.
A process that creates special structures and functions.
Differentiation
What can't pass through the cell membrane?
polar and or large molecules.
Most of the exterior of the cell cycle is called the?
Interphase
A mixture of a solvent and a solute.
solution
What two types of cells are the basic units of life?
Prokaryotic and Eukaryotic.
give an example of a positive feedback mechanism.
Human temp
What are the two types of stem cells?
Embryonic and Adult stem cells.
How many sections of the interior of the cell cycle are there?
4
a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring is what?
A gene
Cell division through what gives rise to many identical cells?
Mitosis
Do prokaryotic cells have a nucleus?
no
Undifferentiated cells that can become differentiated into one or more types of specialized cells are what?
Stem cells
Where does the cell stay the longest in the cell cycle
in the G1 phase
able to dissolve other substances is what..?
Solvent
every cell has these 4 things
Genetic material.
Cytoplasm.
Cell membrane.
Ribosomes.
Organelle means what?
Organized structures living within a cell.
On a cellular level, much of homeostasis is maintained by the...?
Cell membrane
What does "S" stand for in the cell cycle?
syntheisis
What are the two types of genetic material?
RNA and DNA
Uni cellar means what?
consisting of a single cell
What is an example of a negative feedback mechanism.
Fruit ripening
How does the cell membrane affect the cell?
Controls the movement of things in and out of the cell.
where does the cell go if its broken or defective?
G0
What goes through cell division over and over again after the egg is fertilized?
A Zygote