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Molecular Genetic Book: Bio C Plus Demo
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Bio C Plus Demo. เขียนโดย Iceberg Prince. Very good, thanks for sharing :). November 19, 2010 at 11:07 AM. Subscribe to: Post Comments (Atom). Subcellular components of Cell. Meiosis intro and History.
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Molecular Genetic Book: RNA
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Ribonucleic acid or RNA. Is a nucleic acid polymer consisting of nucleotide monomers that plays several important roles in the processes that translate genetic information from deoxyribonucleic acid (DNA) into protein products; RNA acts as a messenger between DNA and the protein synthesis complexes known as ribosomes, forms vital portions of ribosomes, and acts as an essential carrier molecule for amino acids to be used in protein synthesis. Chemical and Stereochemical structure:.
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Molecular Genetic Book: RNA Splicing
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Several methods of RNA splicing occur in nature. The type of splicing depends on the structure of the spliced intron and the catalysts required for splicing to occur. Regardless of which pathway is used, the excised introns are discarded. The major spliceosome splices introns containing GU at the 5' splice site and AG at the 3' splice site. It is composed of the U1, U2, U4, U5, and U6 snRNPs. 183;A Complex-U2 binds to the branch site, and ATP is hydrolyzed;. This type of splicing is termed canonical spli...
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Molecular Genetic Book: DNA Replication
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DNA replication begins with the "unzipping" of the parent molecule as the hydrogen bonds between the base pairs are broken. Once exposed, the sequence of bases on each of the separated strands serves as a template to guide the insertion of a complementary set of bases on the strand being synthesized. The new strands are assembled from deoxynucleoside triphosphates. Each incoming nucleotide is covalently linked to the "free" 3' carbon atom on the pentose (figure) as. Because DNA synthesis can only occur 5...
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Molecular Genetic Book: Endoplasmic reticulum
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The membrane of the rough endoplasmic reticulum is continuous with the outer layer of the nuclear envelope. Although there is no continuous membrane between the rough ER and the Golgi apparatus, membrane bound vesicles shuttle proteins between these two compartments. COP II brings vesicles to the golgi and COP I brings the membrane back. The rough endoplasmic reticulum works in concert with the Golgi complex to target new proteins to their proper destinations. The RER is key in producing. The endoplasmic...
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Molecular Genetic Book: Eukaryotic cells
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The plasma membrane resembles that of prokaryotes in function, with minor differences in the setup. Cell walls may or may not be present. The eukaryotic DNA is organized in one or more linear molecules, called chromosomes, which are associated with histone proteins. All chromosomal DNA is stored in the cell nucleus, separated from the cytoplasm by a membrane. Some eukaryotic organelles also contain some DNA. เขียนโดย Iceberg Prince. Subscribe to: Post Comments (Atom). Subcellular components of Cell.
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Molecular Genetic Book: DNA Sequencing
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In genetics and biochemistry, sequencing means to determine the primary structure (or primary sequence) of an unbranched biopolymer. Sequencing results in a symbolic linear depiction known as a sequence which succinctly summarizes much of the atomic-level structure of the sequenced molecule. เขียนโดย Iceberg Prince. Hello This post is likeable, and your blog is very interesting, congratulations :-). I will add in my blogroll =). If possible gives a last there on my blog, it is about the Perfume.
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Molecular Genetic Book: DNA Transcription
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As in DNA replication, transcription proceeds in the 5' → 3' direction (i.e. the old polymer is read in the 3' → 5' direction and the new, complementary fragments are generated in the 5' → 3' direction). Transcription is divided into 3 stages: initiation, elongation and termination. 3 Step of transcription. Unlike DNA replication, transcription does not need a primer to start. The DNA unwinds and produces a small open complex and synthesis begins on only the template strand. เขียนโดย Iceberg Prince.
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Molecular Genetic Book: Cell Cycle
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Because meiosis is a "one-way" process, it cannot be said to engage in a cell cycle as mitosis does. However, the preparatory steps that lead up to meiosis are identical in pattern and name to the interphase of the mitotic cell cycle. Interphase is divided into three phases:. 183;Growth 1 (G1) phase. 183;Synthesis (S) phase. 183;Growth 2 (G2) phase. The cell continues to grow making the cell larger. เขียนโดย Iceberg Prince. Subscribe to: Post Comments (Atom). Subcellular components of Cell.
