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25 Cards in this Set
- Front
- Back
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T/F: Prosthetic groups attach directly to the inner membrane of mitochondria.
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False. They are attached to integral proteins.
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How many H+ ions are transported into the intermembrane space from complex I to IV?
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ten (10)
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What is the final electron acceptor from NADH and FADH2?
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Oxygen, O2
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Heme consists of iron plus the protein _______. These combined structures are also known as __________.
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porphyrin, cytochromes
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Other than heme, what are the other three prosthetic groups?
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FMN (Flavin mononucleotide), Fe-S centers, Cu centers
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What is the name of the mobile, hydrophobic, non-prosthetic electron carrier in mitochondrial inner membrane?
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Coenzyme Q, or ubiquinone
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Name the forms of CoQ with 0, 1, and 2 electrons attached.
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0) ubiquinone
1) semiquinone 2) dihydroubiquinone |
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The iron in heme can carry ___ _________.
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one electron
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What are the two geometric forms of an iron-sulfer center, and they are formed of which amino acid?
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dimeric or cuboidal, cysteine
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The final integral protein complex in mitochondra, IV, is called:
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Cytochrome C oxidase
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The bipartite ATP Synthase is composed of the integral ___ section, and the peripheral ___ section. What are the functions of each?
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integral=F0, transport electrons from NADH to O2
peripheral=F1, generate ATP from proton gradient |
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What detergent dissociates mitochondrial proteins?
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Digitonin
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In a landmark experiment, this protein was used to create an artificial proton gradient to make ATP.
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bacteriorhodopsin
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Which subunit of ATP's F1 sector rotates?
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The gamma subunit
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Raw phosphate materials are transported into the mitochondrial _____ using the antiport permease _______ ________.
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matrix, phostphate translocase
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Energy from external NADH is used to build internal FADH through which transport molecule, and what is its precursor in the cytosol?
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Glycerol 3-phosphate, dihydroxyacetone phosphate (DHAP)
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What are the external and internal proteins involved in the NADH-FADH transfer sequence?
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glycerol-3-phosphate dehydrogenase
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What is the energy reduction (in ATP molecules) of 2NADH-->2FADH2?
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5-->2
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What structures allow transfer of gasses into plant cells?
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stomates or stomatal
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The protective waxy protein in the upper epidermis of plants is:
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Cutin
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Chloroplasts are contained in the _______ between the upper and lower epidermis. This section consists of two subsets, the ______ and ______ parenchyma.
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Mesophyll, palisade, spongy
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The chloroplast contains stacks of _______ called _______.
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thylakoids, granum
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The inner envelope of the chloroplast contains permeases for ________ precursors of ________.
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phosphate, sucrose
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The difference between chlorophyll a and b is the substitution of a _____ group for a _____ group.
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methyl, hydroxyl
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Clorophyll a and b both absorb light in the ____ and _____ areas of the spectrum.
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Red, blue
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