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A&P Chapter 3 -Cells Review

Horizontales
Role: Single long hairlike structure. -Function: Provides movement, especially in sperm for swimming towards eggs.
Makes more cells (division of the nucleus)
Breaks down waste and cellular debris using digestive enzymes. -hint Lysol cleans (breaks down waste)
Role: Powerhouse of the cell. - Produces ATP
Definition: Programmed cell death. Definition: Programmed cell death
Role: Barrier. - Function: Regulates what enters and leaves the cell
No energy required. Movement from high to low concentration
Accordionlike folds increase surface area for absorption and transport of water and nutrients.
Definition: Higher concentration outside the cell.
Prepping for division (The cell is setting up everything for mitosis).
Drinks up fluids and dissolved substances
Starting cells that Specialize into other types
Verticales
Definition: Equal concentration inside and outside the cell.
Chromatids (sister chromosomes) are pulled apart to opposite sides of the cell.
Role: Fluid portion of the cytoplasm. - Function: Holds organelles in place and facilitates movement.
Definition: Lower concentration outside the cell.
Role: Post Office: Packaging and shipping. - Modifies, sorts, and packages
The cell expels materials to the OUTside.
Role: Hairlike projections. - Function: Move substances along the surface of the cell.
Creates SEX CELLS (sperm and eggs) with half the chromosomes
Role: Structural support.
Role: Cell division. - Function: Helps in organizing microtubules during cell division.
Brings substances INTO the cell.
Role: DNA and proteins complex. - Function: Packaging of DNA into a smaller volume; aids in gene regulation.
Initial growth and DNA replication
Middle phase - chromosomes Move to the center. - hint : chromosomes line up in the middle of the cell before being separated.
Role: Control center; houses DNA. - Number 1 boss (controls everything).