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Ion carrier

Definition

noun, plural: ion carriers

An ionophore that facilitates transport of ion through a hydrophobic medium, such as lipid bilayer of cell membranes, by binding to and shielding the ion to prevent the ion from getting in contact with the hydrophobic interior of the lipid bilayer


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Active transport

In active transport, the affinity of the carrier protein for the molecule being transported is greater on which side of the membrane? Answer: on the side where the molecule is in lower concentration. COuld someone explain this please? Pumps are different from carrier proteins in ...

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by Nicolodn
Sat Sep 18, 2010 6:50 am
 
Forum: Cell Biology
Topic: Active transport
Replies: 1
Views: 3160

Calcium ions in the Cell

... I just had my final exam for Cell Biology and this was one of the questions on it I can't figure out, hoping someone may be able to shed some light/clear ... by the bacterium Streptomyces chartreusensis , acts as a mobile ion-carrier that allows Ca2+ ions to freely cross eukaryotic cell membranes, ...

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by someguy456345
Sat Apr 24, 2010 3:05 pm
 
Forum: Cell Biology
Topic: Calcium ions in the Cell
Replies: 4
Views: 6903

Re: helppp asap pleasee!

b. The electron transport chain takes place in the inner mitochondrion membrane. It follows the citric acid cycle, where NADH and FADH2 are reduced. ... is the transfer of high-energy electrons from NADH+H+ to FMN, the first carrier in the chain. From each molecule of glucose, two NADH+2H+ are generated ...

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by monthir
Tue Sep 22, 2009 4:29 pm
 
Forum: Molecular Biology
Topic: helppp asap pleasee!
Replies: 6
Views: 8191

The Fiber Disease

Air & Water Purification: Battling Bugs Within the transparent chamber of the Vortex Water Machine, water ... filters require maintenance, or must be cleaned or replaced. A multifaceted crystal carrier combats microbes in three ways — interrupting cell metabolism, inhibiting membrane ...

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by RANDY
Thu Jan 18, 2007 3:42 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5411535

The Fiber Disease

... within cells . Anomalous migration of nucleic acid fragments in gels Ion-channel molecules with ion-gating properties play an important role in ... brigitt@nanoanalytical.org Abstract The potency of drug/gene-loaded carriers is frequently depending upon their morphology adopted in a biological ...

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by Nadas Moksha
Fri Dec 22, 2006 6:54 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5411535
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