Lab Notes: Molecular Biology Archives - Laboratory Notes https://www.laboratorynotes.com/category/lab-notes-molecular-biology/ Fri, 03 Oct 2025 14:56:21 +0000 en hourly 1 https://wordpress.org/?v=6.9 Autoradiography https://www.laboratorynotes.com/autoradiography/ https://www.laboratorynotes.com/autoradiography/#respond Fri, 03 Oct 2025 14:56:19 +0000 https://www.laboratorynotes.com/?p=26724 Autoradiography is a powerful technique used to detect and visualize molecules that have been labeled with radioactive isotopes. The method...

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]]> https://www.laboratorynotes.com/autoradiography/feed/ 0 DNA Primer https://www.laboratorynotes.com/dna-primer/ https://www.laboratorynotes.com/dna-primer/#respond Fri, 03 Oct 2025 14:40:54 +0000 https://www.laboratorynotes.com/?p=26721 A DNA primer is a short, synthetic strand of single-stranded DNA, usually between 15 and 30 nucleotides in length, that...

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]]> https://www.laboratorynotes.com/dna-primer/feed/ 0 DNA Lesion https://www.laboratorynotes.com/dna-lesion/ https://www.laboratorynotes.com/dna-lesion/#respond Wed, 01 Oct 2025 22:42:28 +0000 https://www.laboratorynotes.com/?p=26683 DNA lesions are structural alterations or damages in the DNA molecule that disrupt its normal integrity, stability, or coding potential....

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]]> https://www.laboratorynotes.com/dna-lesion/feed/ 0 Depurination https://www.laboratorynotes.com/depurination/ https://www.laboratorynotes.com/depurination/#respond Wed, 01 Oct 2025 22:28:32 +0000 https://www.laboratorynotes.com/?p=26681 Depurination is a common type of DNA damage in which a purine base—adenine (A) or guanine (G)—is removed from the...

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]]> https://www.laboratorynotes.com/depurination/feed/ 0 DNA Denaturation https://www.laboratorynotes.com/dna-denaturation/ https://www.laboratorynotes.com/dna-denaturation/#respond Wed, 01 Oct 2025 22:00:32 +0000 https://www.laboratorynotes.com/?p=26679 DNA denaturation refers to the process in which the double-stranded structure of DNA unwinds and separates into two single strands...

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]]> https://www.laboratorynotes.com/dna-denaturation/feed/ 0 Deoxynucleotides Vs Dideoxynucleotides https://www.laboratorynotes.com/deoxynucleotides-vs-dideoxynucleotides/ https://www.laboratorynotes.com/deoxynucleotides-vs-dideoxynucleotides/#respond Mon, 29 Sep 2025 17:39:40 +0000 https://www.laboratorynotes.com/?p=26665 Criteria Deoxynucleotides (dNTPs) Dideoxynucleotides (ddNTPs) Remarks Definition Natural building blocks of DNA consisting of a nitrogenous base, deoxyribose sugar, and...

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]]> https://www.laboratorynotes.com/deoxynucleotides-vs-dideoxynucleotides/feed/ 0 Nucleic Acid Polarity https://www.laboratorynotes.com/nucleic-acid-polarity/ https://www.laboratorynotes.com/nucleic-acid-polarity/#respond Mon, 29 Sep 2025 17:12:41 +0000 https://www.laboratorynotes.com/?p=26663 Nucleic acid polarity refers to the inherent directionality of nucleic acid molecules such as DNA and RNA, which arises from...

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]]> https://www.laboratorynotes.com/nucleic-acid-polarity/feed/ 0 3′ Hydroxyl Group: Key to DNA and RNA Synthesis https://www.laboratorynotes.com/3%e2%80%b2-hydroxyl-group-key-to-dna-and-rna-synthesis/ https://www.laboratorynotes.com/3%e2%80%b2-hydroxyl-group-key-to-dna-and-rna-synthesis/#respond Mon, 29 Sep 2025 16:44:00 +0000 https://www.laboratorynotes.com/?p=26659 The 3′ hydroxyl group (-OH) is a critical chemical feature of the deoxyribose sugar in DNA and the ribose sugar...

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]]> https://www.laboratorynotes.com/3%e2%80%b2-hydroxyl-group-key-to-dna-and-rna-synthesis/feed/ 0 Frederick Sanger https://www.laboratorynotes.com/frederick-sanger/ https://www.laboratorynotes.com/frederick-sanger/#respond Mon, 29 Sep 2025 16:18:04 +0000 https://www.laboratorynotes.com/?p=26651 Frederick Sanger (1918–2013) was a pioneering British biochemist whose groundbreaking contributions to molecular biology earned him the rare distinction of...

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]]> https://www.laboratorynotes.com/frederick-sanger/feed/ 0 Polyelectrolyte https://www.laboratorynotes.com/polyelectrolyte/ https://www.laboratorynotes.com/polyelectrolyte/#respond Thu, 25 Sep 2025 22:32:17 +0000 https://www.laboratorynotes.com/?p=26495 Polyelectrolytes are a class of polymers that carry a high density of ionizable groups along their backbone, which can dissociate...

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]]> https://www.laboratorynotes.com/polyelectrolyte/feed/ 0 Lipid https://www.laboratorynotes.com/lipid/ https://www.laboratorynotes.com/lipid/#respond Wed, 24 Sep 2025 21:43:18 +0000 https://www.laboratorynotes.com/?p=26421 Lipids are a diverse group of naturally occurring organic compounds that are primarily hydrophobic or amphipathic in nature. They include...

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]]> https://www.laboratorynotes.com/lipid/feed/ 0 Biopolymer https://www.laboratorynotes.com/biopolymer/ https://www.laboratorynotes.com/biopolymer/#respond Wed, 24 Sep 2025 11:44:01 +0000 https://www.laboratorynotes.com/?p=26275 Biopolymers are naturally occurring macromolecules composed of repeating structural units produced by living organisms. They are the fundamental building blocks...

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]]> https://www.laboratorynotes.com/biopolymer/feed/ 0 Macromolecule https://www.laboratorynotes.com/macromolecule/ https://www.laboratorynotes.com/macromolecule/#respond Tue, 23 Sep 2025 15:02:23 +0000 https://www.laboratorynotes.com/?p=26189 A macromolecule is a very large molecule composed of thousands, sometimes millions, of atoms, typically formed by the polymerization of...

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]]> https://www.laboratorynotes.com/macromolecule/feed/ 0 Milestones in Molecular Biology: The Evolution of Molecular Tools https://www.laboratorynotes.com/milestones-in-molecular-biology-the-evolution-of-molecular-tools/ https://www.laboratorynotes.com/milestones-in-molecular-biology-the-evolution-of-molecular-tools/#respond Tue, 16 Sep 2025 15:25:56 +0000 https://www.laboratorynotes.com/?p=25487 The development of molecular tools has transformed biology from a descriptive science into a precise, technology-driven discipline. Each breakthrough has...

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]]> https://www.laboratorynotes.com/milestones-in-molecular-biology-the-evolution-of-molecular-tools/feed/ 0 Molecular Tool https://www.laboratorynotes.com/molecular-tool/ https://www.laboratorynotes.com/molecular-tool/#respond Tue, 16 Sep 2025 15:13:05 +0000 https://www.laboratorynotes.com/?p=25485 Molecular tools are a broad set of techniques and technologies used to analyze, manipulate, and understand biological molecules such as...

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]]> https://www.laboratorynotes.com/molecular-tool/feed/ 0 Molecular Biology of Disease https://www.laboratorynotes.com/molecular-biology-of-disease/ https://www.laboratorynotes.com/molecular-biology-of-disease/#respond Sun, 07 Sep 2025 20:25:51 +0000 https://www.laboratorynotes.com/?p=24818 Molecular biology of disease is the study of how genetic, biochemical, and cellular processes contribute to the onset, progression, and...

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]]> https://www.laboratorynotes.com/molecular-biology-of-disease/feed/ 0 Glycosidic Bond https://www.laboratorynotes.com/glycosidic-bond/ https://www.laboratorynotes.com/glycosidic-bond/#respond Thu, 04 Sep 2025 08:05:41 +0000 https://www.laboratorynotes.com/?p=24615 A glycosidic bond is a crucial chemical linkage that joins carbohydrate molecules together, forming the basis for complex carbohydrate structures....

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]]> https://www.laboratorynotes.com/glycosidic-bond/feed/ 0 HA-Tag https://www.laboratorynotes.com/ha-tag/ https://www.laboratorynotes.com/ha-tag/#respond Sun, 31 Aug 2025 09:05:51 +0000 https://www.laboratorynotes.com/?p=24351 The HA-tag is a widely used epitope tag derived from the human influenza hemagglutinin protein. It consists of nine amino...

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]]> https://www.laboratorynotes.com/ha-tag/feed/ 0 Myc-Tag https://www.laboratorynotes.com/myc-tag/ https://www.laboratorynotes.com/myc-tag/#respond Sun, 31 Aug 2025 09:03:25 +0000 https://www.laboratorynotes.com/?p=24349 The Myc-tag is a widely used polypeptide protein tag derived from the c-myc gene product. It consists of the amino...

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]]> https://www.laboratorynotes.com/myc-tag/feed/ 0 Strep-Tag https://www.laboratorynotes.com/strep-tag/ https://www.laboratorynotes.com/strep-tag/#respond Sun, 31 Aug 2025 08:59:37 +0000 https://www.laboratorynotes.com/?p=24347 The Strep-tag is a versatile peptide tag used in protein purification and detection, developed as an alternative to other common...

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