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Terms in this set (15)
What are the three main parts of the cell?
plasma membrane, cytoplasm, nucleus
Name the 9 main parts of the cells
2. Smooth Er
3. Rough ER
4. Golgi apparatus
6. plasma membrane
What is contained within the nucleus?
- chromatin (DNA)
- nuclear pore
- nuclear envelope
(brain of the cell)
What is the function of the smooth ER?
produces: phospholipids, fatty acids, steroids
What is the function of the rough ER and why does it appear rough?
appears rough: ribosomes attached
What is the function of the Golgi apparatus?
packages up proteins that are transported out of the cell through vesicles
What is the function of the mitochondria?
produces ATP (energy) that powers the cell
What is the role of the plasma membrane?
selectively permeable- allows small, uncharged, non-polar molecules to pass through
Function of the lysosomes
contains enzymes that break down and digest damaged or unwanted organelles
What is the function of the cytoskeleton?
helps cells maintain shape and provides mechanical support- helps with cell function
What are the 3 major structures of the cytoskeleton?
2. intermediate filaments
What is the function of cytoplasm?
jelly-like fluid within the cell that holds all of the organelles
What is the plasma membrane of the cell?
- selectively permeable
Transport processes that move substances across the cell membrane are?
• Simple diffusion
• Facilitated diffusion
• Active transport
• Vesicular transport
What is osmosis?
diffusion of water across a selectively permeable membrane from a high to low concentration
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