Chapter·BiochemistryMetabolism

Electron transport chain and oxidative phosphorylationDownloads

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Sample Questions

1

An investigator is developing a drug that selectively inhibits the retrograde axonal transport of rabies virus towards the central nervous system. To achieve this effect, this drug must target which of the following?

ADynein

BTubulin

CNidogen

DKinesin

EAcetylcholine

2

In your peripheral tissues and lungs, carbonic anhydrase works to control the equilibrium between carbon dioxide and carbonic acid in order to maintain proper blood pH. Through which mechanism does carbonic anhydrase exert its influence on reaction kinetics?

AChanges the delta G of the reaction

BLowers the free energy of products

CRaises the activation energy

DLowers the activation energy

ELowers the free energy of reactants

3

In skeletal muscle, which step of excitation-contraction coupling requires ATP?

ACross-bridge cycling

BAction potential propagation

CTroponin binding to calcium

DCalcium release from SR

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