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Biology Exam 2-11 Quiz Stats

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Hint Answer % Correct
During the TCA cycle, ______ is produced in the matrixNADH
100%
Complex 1 includes a FMN-containing protein that oxidizes _______NADH
100%
NADH binds to membrane bound NADH dehydrogenase, which is an _______ membrane protein of the inner membraneintegral
75%
After the electrons give up most of their energy, they will pair with protons to reduce _______ to produc________oxygen, water
50%
Each unit of the electron transport chain is a ____ centerredox
50%
The reate of transfer of electrons is dependent on the ________ activity of the protein involvedcatalytic
50%
__________ is a pool of molecules moving around in the lipid bilayerubiquinone
50%
Complex 1 has a FMN-containing flavo protein called _____NADH dehydrogenase
50%
_______ complexes in the inner membrane contain those membrane bound proteinsFour
25%
_______ and ______ are not part of the complexes but are important in electron transportcytochrome c, ubiquinone
25%
_________ is a soluble protein found in the intermembrane spacecytochrome c
25%
Complex 1 also has _____ iron-sulfer centers and 2 bound molecules of ________three, ubiquinone
25%
Complex II has four _________ units, two _______ subunits that anchor the enzyme and two ______ subunits that comprise the enzyme activitypolypeptide, hydrophobic, hydrophilic
25%
Succinate dehydrogenase not high energy electrons are passed through 3 ________ centers to ubiquinoneiron-sulfur
25%
For complex III, __________ are translocated for each pair of electronsfour protons
25%
For complex 4, for every molecule of oxygen reduced ________ are produced8 protons
25%
For complex 4, _________ are translocated to the intermembrane space and 4 protons are used to produce _______4 protons, water
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There are two concentraitons to consider for these protons, the change in ____ in membrane and the ________ across the membranepH, voltage
25%
The ATP synthase consists of the F1 subunit and a stalked called the _____F0 subunit
25%
The F1 subunit of the ATP synthase F1 subunit consists of ______, 3 beta, 1 ______, 1 ______ 1 episolon ______, 1 3 alpha, delta, gamma
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For the F1 subunit, the ______ subunits are the catalytic unitsthree beta
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The _____ subunit traverses from F1 to F0gamma
25%
Complex 1 also called ______ consists of 46 different _______ and has a molecular mass of _________NADH dehydrogenase, proteins, one million
0%
The passage of two electrons through Complex 1 results in ______ from the matrix to the intermembrane spacefour protons
0%
Succinate dehydrogenase reduces ______ to FADH2 in the formation of ______FAD, fumarate
0%
Complex III contains ________ with 2 different heme groups, _________ and an iron-sulfur proteincytochrome b, cytochrome c1
0%
For complex III, Cytochrome b catalyzes the transfer of electrons to ___________cytochrome c1
0%
Hint Answer % Correct
For complex III, two protons come from _______ and two from the _______, using a second ubiquinolubiquinol, matrix
0%
For complex 4, cytochrome_________ transfers electrons from reduced cytochrome c to oxygen to produce waterc oxidase
0%
Complex 4 consists of 13 ________ containing both ______ and _____ centerssubunits, iron, copper
0%
F0 resides in the membrane and consists of 1 __, 2 ___ and 10-14___ subunitsa,b,c
0%
The F0 bases has a ________ where protons can move from the innermembrane space to the ________channel, matrix
0%
Protons do not provide the energy to make ____ but they change the affinity of the ________ for ATP productionATP, active sites
0%
ADP and P are bound tightly in the catalytic site and reaction occurs _________spontaneously
0%
ATP Synthase - each active site, the ___ subunit has three different ________ with each one having different______ for substrate and productbeta, conformations, affinity
0%
One confirmatinal site will be in the _______ confirmation where ADP and P are loosely bound to the beta subunit active siteloose
0%
One confirmational site will be in the ______ conformation where ADP and P or ______ are tightly boundtight, ATP
0%
A third active site will be in the ______ conformation, releasing ATPopen
0%
ATP is synthesized by __________, where the F1 subunit rotates relative to the central stalk ______ rotational catalysis, gamma
0%
Rotation of the ______ stalk is powered by protons that pass via a channel in the a ______ of the F0 basegamma, subunit
0%
Electrical energy of the proton gradient is transduced into _________ which is then transduced into chemical energy as _____mechanical energy, ATP
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F0, the c subunits are arranged in a _____ring
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The two b sunits and the single __ subunit are outside the ring of c subunitsa
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The two b subunits provide structural support for the ________ via the peripheral stalkATP synthase
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Along with the b subunits, the _______ subunits holds the alpha3beta3 complex in a fixed positondelta
0%
The ________ subunits bind to the gamma subunit due to their hydrophilic loops transmembrane orientaitonc
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The c subunts rotate along with the central stalk _______ subunitgamma
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When the c subunits rotate with the _____ subunit bound to the gamma stalk, rotation is assuredepislon
0%
ATP-synthase - each proton moves from the intermembrane space through a channel in the ___ subunit to a negatively charged aspartic acid ont eh surface of the ____ subunita,c
0%
ATP-synthase-with each move a proton also moves to a second half channel in the _ subunit and the proton is released into the _____-a, matrix
0%
Each complete rotation of the ATP synthase creates ___ ATP moleucles3
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Complex II passage of electrons causes it to reduced to ______ubiquinol
0%
For compex II, no _____ are translocated to the intermembrane spaceprotons
0%
Three subunits of Complex III contain redox centers: cytochrome ___ with 2 different ___ groups, cytochrome c1, and an ______proteinb, heme, iron-sulfur
0%

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Created Mar 2, 2012ReportNominate
Tags:Biology Quiz, exam

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