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23 Cards in this Set

  • Front
  • Back
Name the 5 steps in cellular respiration? (Assume plent of oxygen)
1. Glycolysis
2. Transition
3. Krebs Cycle 1
4. Krebs Cycle 2
5. Electron Transport System
Where does the Electron Transport Chain take place?
Mitochondria
What 2 products are formed at glycolysis?
Carbon Dioxide (2)
NADH (2)
Define Glycolysis
Break down of glucose to pyruvic acid
How many net ATPs are formed from glycolysis?
2
What products are formed from glycolysis?
2 NADH
2 ATP (net gain)
2 Carbon Dioxide
What is catabolism?
Break down reactions (protein --> amino acids)
What is anabolism?
Small molecules bonded together to create larger molecules
What are 3 factors that affect metabolism?
Age, gender, hormones
5 reasons we need energy?
Muscle contraction, create chemical bonds, heat, active transport, cell division
What does a body need for energy? (6 things)
1. Oxygen
2. Calories
3. Mitochondria
4. Enzymes
5. Optimum temp
6. Optimum pH
What happens during transition?
Pyruvic Acid turns to Acetyl CoA and releases carbon dioxide, NAD+ picks up 1 hydrogen from each pyruvic acid to form NADH+
What specifically does insulin do?
Allows glucose to enter cells from capillaries
True or False: Glycolysis is reversible
True
What products are formed by each turn of the Krebs Cycle?
3 NADH
1 FADH2
1 ATP
3 Carbon Dioxide
Which part of cellular respiration is anaerobic?
Krebs Cycle
What is beta oxidation?
Fatty Acids turning into Acetyl CoA
What products does beta oxidation yield?
NADH+ and FADH+
How many ATP does beta oxidation produce?
COSTS one!
What is ketogenesis?
Liver converts acetyl CoA to ketones, which are released into the blood
Expain transamination
A number of amino acids transfer their amine group to a different acid (which becomes glutamic acid) and becomes a keto acid from the Krebs Cycle for further catabolism
Explain oxidative deamination
Glutamic acid from transamination is removed as ammonia and urinated out
Explain keto acid modification
The keto acid from transamination are processed in the Krebs Cycle, or for the case of the keto acid pyruvic acid being formed, it may be reversed back to glucose