Cell Cycle
Organisms that are made up of one cell.
Unicellular organism
True or False. Cellular differentiation is the process by which cells become the same type of cell.
False; The process by which cells become DIFFERENT types of cells.
True or False.
Only multicellular organisms have different specialized cells.
True.
What holds identical pairs of chromosomes together during the S stage?
Centromere
Organisms that have cells with a nucleus surrounded by a membrane (humans, animals, and fungus fall under this category).
Eukaryotes
True or False.
Multicellular organisms come from one cell.
True; the one cell continues to divide to become a multicellular organism.
What are the different levels of organization in an organism?
Cell, Tissue, Organ, and Organ System.
When do the spindle fibers begin to breakdown?
During Telophase
When do spindle fibers appear?
During prophase
What are unspecialized cells that are used to develop into many different types of cells (in Animals)?
Stem cells
Animals can have four main types of tissues. What are they?
What do we call the two new cells after cytokinesis?
Two Daughter Cells
What are the four phases of Mitosis?
PMAT = Prophase, Metaphase, Anaphase, Telophase
What are unspecialized cells that are used to develop into many different types of cells (in plants)?
Meristem
True or False.
The stomach organ is made up of only ONE type of tissue.
What two things disappear during Prophase?
Nucleolus and nuclear membrane
Why is cell division important?
- Repairing damaged cells
- Replacing worn out cells
- Reproduction for unicellular cells
- Growth and development for multicellular organisms
In humans, what types of cells can result from cell differentiation? Name at least two types.
nervous cells, red blood cells, bone cells, muscle cells
What are the two major organ systems in plants?
The Root system and the Shoot system.