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Final Review Session
Important Concept Terms for Dr. Cario's final
57
Biology
Undergraduate 1
05/05/2010

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Term
Biology
Definition
The scientific study of life
Term
Reductionism
Definition
The strategy of studying biology that involves breaking down a complex system into it's parts.
Term
Systems Biology
Definition
The strategy of studying biology that involves looking at the interactions between the parts of a complex system.
Term
Emergent Properties
Definition
The characteristics that arise from the interactions between parts of a system.
Term
Valence Electron
Definition
The outermost electrons that are involved in forming bonds.
Term
Adhesion, Cohesion, Surface Tension, High Specific Heat, High heat of vaporization, Ice, Good solvent
Definition
Name 2 emergent properties of water.
Term
Acid
Definition
A chemical that produces H+ ions in solution.
Term
Base
Definition
A chemical that reduces the concentration of H+ ions in a solution.
Term
Buffer
Definition
A substance or mixture that maintains a constant pH.
Term
Hydroxyl, Carbonyl, Carboxyl, Amino, Phosphate
Definition
Name a primary functional group that can be involved in a hydrogen bond.
Term
Carbohydrate
Definition
Macromolecule that contains C, H, and O. These molecules are produced in photosynthesis.
Term
Lipids
Definition
Hydrophobic macromolecules that store energy.
Term
Glycosidic Linkage
Definition
Bond between monosaccharides.
Term
Ester linkages
Definition
Bonds between a glycerol molecule and a fatty acid.
Term
Saturated fatty acids
Definition
A fatty acid with no double bonds. (ex. butter, lard)
Term
Unsaturated fatty acid
Definition
A fatty acid with kinks caused by double bonds (ex. oils)
Term
Phospholipid
Definition
Major component of cell membranes.
Term
Amino Acid
Definition
Monomer of a protein.
Term
Cell-cell communication, transport, enzymes, cell recognition
Definition
Name 1 function of a protein.
Term
Peptide bonds
Definition
bonds between amino acids.
Term
Phosphodiester bond
Definition
Bond between nucleotides.
Term
Nucleolus
Definition
Dark area of the nucleus that is the site of rRNA synthesis.
Term
Amphipathic
Definition
The property of having hydrophobic and hydrophyllic regions of the same molecule.
Term
Ribosomes, Plasma membrane, DNA, RNA, cell wall, unicellular
Definition
Name 1 similarity between bacteria cells and protist cells.
Term
Ribosomes
Definition
Organelle that synthesizes proteins.
Term
Lysosome
Definition
Organelle containing hydrolytic enzymes that digests and recycles molecules.
Term
Golgi
Definition
Packaging, modifying, and shipping organelle.
Term
Rough ER
Definition
Site of secretory protein synthesis. Contains bound ribosomes.
Term
Smooth ER
Definition
Organelle that is the site of lipid synthesis and detoxification.
Term
Central Vacuole
Definition
Organelle in a plant cell that takes up most of the cell and is used to store molecules and maintaining osmotic balance.
Term
Mitochondria
Definition
Site of cellular respiration (organelle).
Term
Chloroplast
Definition
Site of Photosynthesis (organelle).
Term
Microtubules
Definition
The cytoskeletal element that makes up cilia and flagella and is involved in movement of vesicles.
Term
Plasmodesmata
Definition
Symplastic movement of molecules through plant cells pass through these gaps of continuous cytoplasm.
Term
Lowering temperature, increasing cholesterol, increase saturated fatty acids
Definition
Name 1 way you can decrease the fluidity of a cell membrane.
Term
Osmosis
Definition
Movement of water from high to low concentrations.
Term
Active transport
Definition
Transport requiring energy to move a molecule against it's concentration gradient.
Term
Membrane potential
Definition
The voltage difference across a membrane.
Term
Endocytosis/Phagocytosis
Definition
Bulk transport into a cell. (cell eating)
Term
Catabolic/Exergonic
Definition
An reaction that breaks down molecules and releases energy.
Term
Activation energy
Definition
The amount of energy necessary for a reaction to start.
Term
NADH, FADH2, NADPH
Definition
Name 1 electron carrier for either cellular respiration or photosynthesis.
Term
Oxidation/Reduction
Definition
What kind of reactions are involved with passing an electron from protein to protein in the ETC?
Term
Acetyl CoA
Definition
What must pyruvate be converted to in order for the Krebs Cycle to happen in cellular respiration?
Term
Chemiosmosis/Oxidative phosphorylation
Definition
By what process is ATP made in cellular respiration (ETC)
Term
ATP synthase
Definition
What protein makes ATP during cellular respiration in the ETC?
Term
NADPH
Definition
What is the final electron acceptor in the light reactions of photosynthesis?
Term
Makes more ATP
Definition
What is the purpose of cyclic electron flow in photosynthesis?
Term
Gram -
Definition
The classification of a bacteria cell with a outer lipopolysaccharide layer in its cell wall.
Term
Peptidoglycan
Definition
What are bacterial cell walls made of?
Term
Conjugation, Transformation, Transduction
Definition
Name 1 way genetic recombination happens in bacterial cells.
Term
Nitrogen fixation
Definition
The process of taking atmospheric N2 to NH3.
Term
Endosymbiosis Theory
Definition
What theory explains how mitochondria and chloroplasts evolved in eukaryotes.
Term
Gametophyte
Definition
What generation is dominate in the Bryophyte lifecycle?
Term
Sporangia
Definition
What is the organ on the sporophyte that undergoes meiosis and produces spores?
Term
Endosperm
Definition
What is the name for the triploid food source for growing angiosperm embryos?
Term
Epidermis, Ground tissue, and Vascular tissue
Definition
Name 1 of the main types of tissue within a plant.
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