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Shuttle

shuttle

1. An instrument used in weaving for passing or shooting the thread of the woof from one side of the cloth to the other between the threads of the warp. Like shuttles through the loom, so swiftly glide My feathered hours. (Sandys)

2. The sliding thread holder in a sewing machine, which carries the lower thread through a loop of the upper thread, to make a lock stitch.

3. A shutter, as for a channel for molten metal. Shuttle box, any one of numerous species of marine gastropods of the genus volva, or radius, having a smooth, spindle-shaped shell prolonged into a channel at each end.

Origin: Also shittle, OE. Schitel, scytyl, schetyl; cf. OE. Schitel a bolt of a door, AS. Scyttes; all from AS. Sceotan to shoot; akin to Dan. Skyttel, skytte, shuttle, dial. Sw. Skyttel, skottel. See Shoot, and cf. Shittle, Skittles.


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Re: A bit of help regarding the hydrolysis of activated carriers

... because there isn't enough water to completely drive the reaction to completion? It's a long shot but I'm really stumped on this question. As for shuttle or intermediate, I'm really unsure. Any more feedback or help is very much appreciated.

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by saab
Thu Apr 19, 2012 10:16 pm
 
Forum: Cell Biology
Topic: A bit of help regarding the hydrolysis of activated carriers
Replies: 5
Views: 4255

Re: A bit of help regarding the hydrolysis of activated carriers

Consider the context of shuttle or intermediate.

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by JorgeLobo
Wed Apr 18, 2012 11:54 am
 
Forum: Cell Biology
Topic: A bit of help regarding the hydrolysis of activated carriers
Replies: 5
Views: 4255

Mitochondria & Chloroplast

... redox equivalents arising from photosynthetic electron transport. Those redox equivalents are then exported from chloroplasts via the malate–OAA shuttle or the DHAP–PGA shuttle. Under these conditions, mitochondria would oxidise cytosolic NAD(P)H rather than that generated by the TCA cycle. hope ...

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by manish94
Sun Apr 24, 2011 6:40 am
 
Forum: Cell Biology
Topic: Mitochondria & Chloroplast
Replies: 2
Views: 2572

Genetic engineering - Help

... do PCR with your Primers (if you are on mRNA level do RT-PCR before using your primers) Clone it into a appropriate expression vector (should be a shuttle vector that can be expressed in bacteria and eukaryots – that means it contains origin of replication, several selection markers, MCS, poly ...

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by Orome
Fri May 07, 2010 8:14 am
 
Forum: Genetics
Topic: Genetic engineering - Help
Replies: 12
Views: 6205

Re: aerobic metabolism

... directly enter a mitochondrion. Getting the energy from the NADH into a mitochondrion comes at an energy cost -- see the section on the DHAP shuttle (a subsection title) on this page: http://www.life.illinois.edu/crofts/bioph354/lect14&15.html

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by jonmoulton
Mon Nov 23, 2009 4:06 pm
 
Forum: Molecular Biology
Topic: aerobic metabolism
Replies: 5
Views: 3315
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