exam 2.4
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Which enzymes in the TCA Cycle produce [REDACTED]? (Select all that apply) NADH, FADH2 4
Isocitrate dehydrogenase, α-ketoglutarate dehydrogenase, malate dehydrogenase succinate dehydrogenase
Which two materials are needed to [REDACTED]? (Select 2 answers)
na
Which enzyme is considered part of TCA and ETC?
Succinate Dehydrogenase
What “waste” product do [REDACTED] produce? muscle cells under anaerobic conditions isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase
• lactate • NADH
What is the primary source of energy for ATP generation in the ETC? 3
proton gradient, voltage potential, or electrochemical gradient
Match the complex number to its formal name: 1-4
Comp 1→ NADH Ubiquinone Oxidoreductase Comp 2→ FADH2 Ubiquinone Oxidoreductase Comp 3→ Ubiquinol Cytochrome C Oxidoreductase Comp 4→ Cytochrome C Oxidase
Select the answer that correctly completes these sentences (note that all sentences relate to each other): * Compound 1 _____ compound 2 [REDACTED] electrons [REDACTED] TO compound 2. * Compound 2 is called a(n) ____. * Compound 1 is called a(n) ____. * Compound 2 _____ compound 1. giving e-s, taking e-‘s
giving: 1. reduced 2. oxidant 3. reductant 4. oxidized taking: oxidized, reductant, oxidant, reduced
Which of the following is an electron transport enzyme that [REDACTED] pump protons to the intermembrane space of mitochondria? does pump does not pump
does pump – NADH dehydrogenase, Q-cytochrome Bc1 Oxidoreductase, and cytochrome oxidase does not pump – succinate dehydrogenase
Cyanide poisoning destroys which complex in the ETC?
cytochrome oxidase , 4
Which complex has an electron carrier (e.g., NADH, FADH2) that is covalently bound to the enz
Comp 2→ FADH2 Ubiquinone Oxidoreductase (FAD covalently bonded)
What is the final [REDACTED] of the electron transport chain? (Maybe asking about electron accepter) electron acceptor
O2
pathway