BIO LAB QUIZ 3 PART 1
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- -No Oxygen
- -Inorganic molecule accepts electrons (nitrates, sulfates)
- -Bacteria (soil breakdown) Breaks down into nitrogen gas and hydrogen sulfide and producing 2 ATP
- No Oxygen
- Organic molecules accept electrons
- Animals: Glucose breaks down into lactic acid producing 2 atp
- -Muscle Soreness
- Yeast: Glucose breaks down into ethanol and CO2 producing 2 atp molecules
- - Bread and alchoholic beverages
- Oxygen required
- Oxygen accepts electrons
- Breaks down into H2O and CO2 producing 36-38 ATP
Rate of Aerobic Respiration:
- Body Temp Regulation
- Environmental Tempertures
- Mass (Body Size)
- Warm Blooded
- -maintain a constant body temperture, HIGHER metabolic rates.
- -HIGHER metabolic rate in COLD environments.
- -LOWER metabolic rate in WARM environments.
- Cold Blooded
- -Body temp is affected by the external temp., LOWER metabolic rates.
- - LOWER metabolic rates in COLD environments.
- -HIGHER metabolic rates in WARM environments.
Surface area to volume ratio: (SA/V)
Surface area: 2(LW)+2(LH)+2(WH)
THE GREATER THE RATIO THE HIGHER THE RESPIRATORY RATE.
Cellular Respiration Review
Proteins fold into different Motifs
- Denature (altered chemical structure)
- -Ionic concentrations
Allows a chemical reaction to go faster, but is not used up in reaction.
The energy that must be processed by a molecule in order for it to undergo a specific chemical reaction.
Biological Catalyst/Activation Energy (graph)
The products contain more than the reactants, and the extra energy must be supplied for the reaction to proceed.
Endergonic Reactions (graph):
Products contain less energy than the reactants, and the excess energy is released.
Exergonic Reactions (graph):
Rate of enxymatic reactions depend on:
Respiration rate per gram body weight
cc O2/(min x body mass)
concentration of enzyme and substrate:
increasing concentration will increase rate of reaction
Allosteric site (coordinating change in active site)
inhibitors: binds to active site and blocks it or binds somewhere else causing inactive configuration.
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