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spacer
Spacer DNA is a region of non-coding DNA between genes. The terms intergenic spacer (IGS) or non-transcribed spacer (NGS) are used particularly for the spacer DNA between the many tandemly repeated copies of the ribosomal RNA genes.In bacteria, spacer DNA sequences are only a few nucleotides long. In eukaryotes, they can be extensive and include repetitive DNA, comprising the majority of the DNA of the genome. In ribosomal DNA, there are spacers within and between gene clusters, called internal transcribed spacer (ITS) and external transcribed spacers (ETS), respectively. In animals, the mitochondrial DNA genes generally have very short spacers. In fungi, mitochondrial DNA spacers are common and variable in length, and they may also be mobile.Due to the non-coding nature of spacer DNA, its nucleotide sequence changes much more rapidly over time than nucleotide sequences coding for genes that are subject to selective forces. Although spacer DNA might not have a function that depends on its nucleotide sequence, it may have sequence-independent functions.Spacer DNA has practical applications that enable researchers and scientists to examine interactions between CRISPR proteins and bacteriophages.
Hi folks,
Purchased E1486AA Ideal Standard Luxury pop up bath waste and overflow as recommended to fit Ideal Standard Tempo Arc straight bath 1700 x 700.
Website advises it will fit both a 52mm and 44mm overflow hole but the chrome spacer is 52mm and as such won't fit through the 44mm hole to...
Morning all.
I am running some 22mm copper later today, I normally use Talon clips from screw fix, as you can add on spacer blocks for the gap, what other plastic clips do you uses, recommend? I have some munsen rings for an outside run.
Thanks in advance!
Thoughts guys.
Looking for a reliable budget boiler for one of my mates
Intergas Rapid Combi 25kW ErP Including Rear Spacer Frame - Latest Offers | Trade Only Plumbing & Heating Supplies
any thoughts/comments as I've never fitted one? I know some Intergasses you need other components exp...
I'm going to look at a job on Thursday but I wanted to run it past you first.
They're friends of my girlfriend and have said they've already had a plumber out who stated he couldn't fix it as he'd end up cracking the granite worktop.
The tap body is loose, the whole tap turns. I'm thinking the...
Hi, anyone fitted the spacer frame to a Vaillant, am considering it for a system to combi swap, is it relatively easy? Can't seem to find any info on it anywhere, cheers
little game for the ukpf know it alls
picked this item up today to solve a issue i have
but what is it and what do you think it does?
the ones with a correct answer gets a chufty badge
Got one of these where the washer between the spacer for the pump and the pump body is worn and leaking,tried pasting it up but it wouldn't seal! Cant get a washer, just wondering if the spacer is needed? can i take it out and just put the pump back in?
Hi Guys,
At the moment our boiler (Glow Worm Spacer Saver RF) seems to be on its way out, there's quite a few weird 'clunking' noises coming from it now and again and I occasionally have to take the cover off it to free the fan up with WD40 or similar spray to get it to start up. About 4 days...
dandaman2234
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waste
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