0DayMusic.Net Board |
0DayReleases
Profile
Log in to check your private messages
Galleries
Log in
Register
0DayMusic.Net Board Forum Index
->
0daymp3.net Informations
Post a reply
Username
Subject
Message body
Emoticons
View more Emoticons
Font colour:
Default
Dark Red
Red
Orange
Brown
Yellow
Green
Olive
Cyan
Blue
Dark Blue
Indigo
Violet
White
Black
Font size:
Tiny
Small
Normal
Large
Huge
Close Tags
Options
HTML is
OFF
BBCode
is
ON
Smilies are
ON
Disable BBCode in this post
Disable Smilies in this post
Confirmation code: *
All times are GMT + 2 Hours
Jump to:
Select a forum
Info
----------------
0daymp3.net Informations
Topic review
<table border="0" cellpadding="5" cellspacing="1" width="100%" style="border-width:1pt; border-color:silver; border-style:dashed;"> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>zngmqk57</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/subnet/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sat 15:03, 19 Mar 2011<span class="gen"> </span> Post subject: Proteins are assembled from amino ed hardy shirt</span></td> <td></td> </tr> <tr> <td colspan="2"><hr / color="silver" noshade></td> </tr> <tr> <td colspan="2"><span class="postbody">Proteins are assembled from amino acids using information encoded in genes. Each protein has its own unique amino acid sequence that is specified by the nucleotide sequence of the gene encoding this protein.<a href="http://www.ed-hardyshirt.com" target="_blank" class="postlink">ed hardy shirt</a> The genetic code is a set of three-nucleotide sets called codons and each three-nucleotide combination designates an amino acid, for example AUG (adenine-uracil-guanine) is the code for methionine. Because DNA contains four nucleotides, the total number of possible codons is 64; hence, there is some redundancy in the genetic code, with some amino acids specified by more than one codon.[10] Genes encoded in DNA are first transcribed into pre-messenger RNA (mRNA) by proteins such as RNA polymerase. Most organisms then process the pre-mRNA (also known as a primary transcript) using various forms of post-transcriptional modification to form the mature mRNA, which is then used as a template for protein synthesis by theribosome. In prokaryotes the mRNA may either be used as soon as it is produced, or be bound by a ribosome after having moved away from the nucleoid. In contrast, eukaryotes make mRNA in the cell nucleus and then translocate it across thenuclear membrane into the cytoplasm, where protein synthesis then takes place.<a href="http://www.air-maxchaussures.com" target="_blank" class="postlink">air max 2011</a> The rate of protein synthesis is higher in prokaryotes than eukaryotes and can reach up to 20 amino acids per second.[11] <br />The process of synthesizing a protein from an mRNA template is known as translation. The mRNA is loaded onto the ribosome and is read three nucleotides at a time by matching each codon to its base pairing anticodon located on a transfer RNA molecule, which carries the amino acid corresponding to the codon it recognizes. The enzyme aminoacyl tRNA synthetase "charges" the tRNA molecules with the correct amino acids. The growing polypeptide is often termed the nascent chain. Proteins are always biosynthesized from N-terminus to C-terminus.[10] <br />The size of a synthesized protein can be measured by the number of amino acids it contains and by its total molecular mass, <a href="http://www.replica-rolexwatche.com" target="_blank" class="postlink">rolex submariner</a> which is normally reported in units ofdaltons (synonymous with atomic mass units), or the derivative unit kilodalton (kDa). Yeast proteins are on average 466 amino acids long and 53 kDa in mass.[9] The largest known proteins are the titins, a component of the muscle sarcomere,<a href="http://www.breitlingwatche.com" target="_blank" class="postlink">replica cartier watches</a>, with a molecular mass of almost 3,000 kDa and a total length of almost 27,000 amino acids.</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/subnet/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
fora.pl
- załóż własne forum dyskusyjne za darmo
Powered by
phpBB
© 2001, 2002 phpBB Group
Regulamin
Style Created Freely By
Profile
Log in to check your private messages
Galleries
Log in
Register
