Flashcards
Introduction to cells
Cards in this deck (18)
- 1Basic processes of cells1. Cell metabolism
2. Transport of substances
3. Communication
4. Cell reproduction - 2Three basic components of animal cells1. Plasma membrane
2. Cytoplasm
3. Nucleus - 3Plasma membranePhospholipid bilayer surrounding each cell
- 4What is the purpose of the plasma membrane?1. Protection (Isolates internal structures from external environment)
2. Structural support - 5Cytosol (ICF)1. Mostly water w/ dissolved solutes
2. Inclusion of storage molecules & proteins
3. Site of many important chemical reactions - 6Where is the cytosol located?It is located in the plasma membrane
- 7Organelles1. "Cellular machines" w/ very specific functions
2. Suspended in cytsosol (ICF)
3. Compartmentalization (separating potentially damaging chemical reactions from surrounding cell structure) - 8Cytoskeleton1. Network of protein filaments
2. Creates & maintains shape
3. Holds organelles in place
4. Transportation for substances within cell - 9Nucleus1. Enclosed in phospholipid bilayer (nuclear envelope)
2. Contains most of cell's DNA
3. Makes most RNA - 10Fluid Mosaic ModelPlasma membrane as dynamic fluid structure w/ multiple components (same have ability to move within bilayer as phospholipids moe themselves)
- 11Membrane proteinsMain component of plasma membranes
- 12Two types of membrane proteins1. Integral proteins
2. Peripheral proteins - 13Integral proteinsSpan entire plasma membrane. Also called transmembrane proteins
- 14Peripheral proteinsFound only on one side of plasma membrane
- 15Ligand proteinThe receptor (ligand) binds to opening on protein channel and allows for protein to go through without actually going through itself
- 16CholesterolLipid molecules that stabilize plasma membrane fluid structure during temperature changes
- 17Glycolipids and glycoproteinsCarbohydrates bound to either lipid or protein. Serves to identify cell as part of body and for cell recognition.
- 18—
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- Description
- Flashcards on Introduction to cells, created by Morrison Christina on 07/07/2018.
- Created by
- Morrison Christina · Jul 2018
- Updated
- Jul 7, 2018
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