Cell Cycle
What are the stages of Mitosis?
Prophase, metaphase, anaphase, telophase
What are the 4 functions of the cell membrane?
Transport, cell adhesion, cell recognition, and cell signaling
What is diffusion?
Movement of substance from high to low concentration.
Where is the nucleus located?
in the middle of the cell
What is Apoptosis?
programmed cell death
What structure forms during cytokinesis in animal cells?
Cleavage Furrow
What do phospholipids look like?
They have a hydrophilic phosphate head and hydrophobic fatty acid tail.
The diffusion of water from a high to low concentration is what?
Osmosis
What is the difference between Rough ER and Smooth ER?
Smooth ER does not have ribosomes and Rough ER does.
What is the difference between a benign tumor and a Malignant tumor?
Benign tumor: cells remain at their original site and slow growing.
Malignant tumor: fast growing cells and spreads to neighboring tissues.
What does cytokinesis ?
The division of the cytoplasm occurs with telophase.
What are 3 proteins ?
Channel, carrier, and peripheral proteins.
Macromolecules are large molecules
True
What does lysosomes do in a cell
Digest components of the cell
What are some root causes of cancer?
Type 2 diabetes, smoking/alcohol, genetics, poor diet
What are some reasons cells divide?
What does the transport function control?
It controls what can enter and exit the cell
What are the requirements for active transport?
Extra energy, occurs across a cell membrane, and requires carrier proteins
What does ribosomes do for the cell ?
It is a site of protein synthesis
What happens to a normal cell with damaged DNA versus a cancer cell with damaged DNA?
The normal cell goes through Apoptosis while the cancer cell continues to divide.
What are mitotic spindles?
Microtubule that guide the separation of the 2 daughter sets of chromosomes.
Cholesterol
A type of steroid and regulates the fluidity of the cell membrane.
What is the difference of endocytosis and exocytosis?
Endocytosis takes in macromolecules and exocytosis releases macromolecules.
What is the function of the golgi apparatus?
Factory for further processing and sorting the proteins for transport
How lives does cancer claim in the US?
1 out of 5