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CH7
Biology 1301
| Question | Answer |
|---|---|
| What organisms do NOT depend on mitochondria to survive? | bacteria |
| For a molecule to be reduced, it gains electrons from the environment. How else is a molecule reduced | gaining hydrogen atoms |
| Where would you expect to find proteins responsible for transporting glucose into the cell | plasma membrane of the cell |
| Oxidative phosphorylation is the process by which ____ | a final electron acceptor is used indirectly to facilitate the production of ATP |
| The following sequence best describes what: glucose -> G3P -> NADH -> ATP | energy flow in biological systems |
| If the inner membrane of the mitochondria were compromised in some way, what effect would this have on cellular respiration | The proton gradient across the inner mitochondrial membrane would dissipate. |
| What substances is not produced at some point during glycolysis | NAD+ |
| Which of the following molecules are NOT required for glycolysis to take place?: FAD, NAD+, ATP, ADP | FAD |
| What enzyme in the glycolysis pathway acts as a switch that can be regulated by ATP, ADP, and NADH | phosphofructokinase |
| What directly supplies the energy for oxidative phosphorylation? | proton gradient |
| An enzyme that is able to transfer a phosphate group to another molecule is called what | kinase |
| What is the function of NADH and FADH2 | Both provide electrons to the electron transfer system |
| What is the fate of CoA after it delivers an acetyl group into the citric acid cycle | It is recharged with another acetate |
| There are eight total steps in the citric acid cycle, and pyruvate is completely oxidized in steps three and four. What is the purpose of the last four steps that occur in the cycle | to regenerate oxaloacetate to attach another acetate molecule |
| For every glucose molecule that goes through cellular respiration, how many times is a carbon atom fully oxidized to CO2 in the citric acid cycle? | 4 |
| Why is there more energy stored in fats as opposed to sugars | Fats are in a more reduced state |
| What must be true when electrons are passed between protein complexes | The reduced electron carrier passes on the electron and becomes oxidized |
| What are the functions of cytochrome c and ubiquinone | They shuttle electrons between the protein complexes |
| What is directly responsible for pumping protons out of the matrix in the mitochondria | protein complexes I, III, and IV |
| Which of these molecules has the most potential energy | glucose |
Created by:
TejasRanger29
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