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25 Cards in this Set

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