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Biology Quiz 3 Revie

TermDefinition
Triacylglycerols Energy storage, insulation, protection against trauma
Steroids Signaling, cell membranes
Phospholipids Create cell membranes
Carboxyl Group COOH, Hydrophilic, Polar or Hydrophilic Charged
Amino Group NH2, Hydrophilic, Polar or Hydrophilic Charged
Hydroxyl Group OH, Hydrophilic, Polar
Methyl Group CH3, Hydrophobic, Nonpolar
Phosphate Group PO4, Hydrophilic, Charged
Peptide Bonds Formed between two alpha amino acids, through a condensation reaction.
Bonds for Primary Peptide bonds
Bonds for Secondary Hydrogen bonds
Bonds for tertiary Hydrogen and Disulfide bonds
Bonds for Quaternary Hydrogen and Disulfide BONDS
What is Saturation Kinetic? Describes any reaction or process that has a limiting factor. Also, Molecular transport across a semi-permeable membrane and Enzyme Substrate-Reactions.
Diffusion Movement of atoms, ions, molecules spread out from a point or location with random movement
Net Diffusion The movement of a solvent or solute from an area of high concentration to low concentration
Simple Diffusion O, CO2, Molecules move through membrane without help down concentration gradient
Facilitated Diffusion Movement of substances through integral membrane protein down concentration gradient
Active Transport Through specific integral membrane proteins, against concentration gradient and uses ATP/Energy
Na/K Pump Is an active enzyme. It moves potential energy from ATP to ATPase and releases kinetic energy used to move molecules against concentration gradient.
Chanel Protein Provides opening which molecules and pass through, some respond to specific signals
Carrier Protein Binds to and transports specific molecules, shape changes direction.
The major functions of biological membranes are... Are phospholipid bilayers, selectively permeable, compartmentalize, receive info from environment through proteins, allows attachment to other cells
Molecular components of biological membranes are... Lipids
What substances move across plasma membrane? Oxygen, Carbon Dioxide/Small molecules
List the membrane bound organelles in eukaryotic cells... Nucleus, ER rough and smooth, Ribosome, GA, Lysosome, Mitochondria, Vacuole
Nucleus Separate DNA storage in eukaryotic cells
Rough ER Protein Synthesis, Folding of protein
Ribosome Ribonucleoprotein found in cells, synthesizes proteins by translating RNA, linking amino acids together with peptide bonds.
Golgi Apparatus Packages proteins into membrane-bound vesicles to be sent to the next organelle.
Lysosomes degradation of extra or damaged proteins into amino acid building blocks happens here
Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate
Smooth ER Folding of protein, delivering protein in vesicles to GA.
Created by: Milligram
 

 



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