"Transcription" - Sciencevivid

Transcription vs. Replication: Differences, RNA Polymerase Structure, and Transcription Termination Mechanisms

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Introduction to Transcription: Transcription is the biological process in which an RNA strand is generated based on a DNA template, with the reaction being facilitated by the enzyme RNA polymerase. Similarities Between Transcription and Replication: Differences between transcription and replication: Characteristics Replication Transcription Definition DNA replication is the biological process of duplication of the double […]

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Transcription factors (TFs) – Introduction, Binding Sites, Regulations, Alternations, Diseases

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Transcription factors are proteins that regulate gene expression by controlling the rate at which DNA is transcribed into RNA and play a crucial role in cellular processes.

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Post-transcriptional modifications (PTMs)- Steps, Regulations, Processing

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Post-transcriptional modifications refer to a variety of molecular alterations that occur to RNA molecules after transcription, playing crucial roles in gene expression regulation.

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DNA Transcription (RNA Synthesis) – Enzymes, Steps, RNA Processing

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DNA transcription is the process in which genetic information encoded in DNA is used to synthesize an RNA molecule, known as messenger RNA (mRNA), through the activity of RNA polymerase, enabling the transfer of genetic instructions from the DNA to the cellular machinery for protein synthesis.

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Central Dogma- Replication, Transcription, Translation

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The central dogma of molecular biology is a fundamental principle stating that genetic information flows from DNA to RNA through the process of transcription, and then from RNA to proteins through the process of translation, forming the basis of gene expression and protein synthesis.

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Extracellular vesicles (EVs): Introduction, Structure, Types, Isolation, Applications

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Introduction to Extracellular Vesicles (EVs): Extracellular vesicles (EVs) are lipid bilayer membrane bound structures in extracellular fluids, which are secreted by all types of cells (either in normal or pathogenic conditions). They are naturally released from the cell that are delimited by a lipid bilayer and cannot replicate. EVs are complex signals which can target

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Development and activation of lymphocytes, Antigen presenting cells and other cells in immunity

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Development of lymphocytes: All adult circulating blood cells, including immature lymphocytes, are produced in the bone marrow. Bone marrow is also the site of maturation of B cells. Cells of the immune system are produced by a group of undifferentiated cells, called hematopoietic stem cell (HSC) in bone marrow. A hematopoietic stem cell may be

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Overview of Caliciviridae and Norwalk Virus: Structure, Replication, Transmission, Clinical Features, and Laboratory Diagnosis

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Introduction to Caliciviridae Family: Caliciviridae is a family of viruses having positive-sense, single stranded RNA which is non-segmented. The family Caliciviridae consists of several genera, Lagovirus, Nebovirus, Norovirus, Sapovirus and Vesivirus. Members of Caliciviridae are significant causes of viral gastroenteritis in both humans and a variety of animals. The first human calicivirus is called Norovirus

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Ebola virus: Morphology, replication and pathogenesis

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Overview of Ebola Virus Disease: The Ebola virus causes an acute, serious illness which is often fatal if untreated. The latest outbreak that occurred in West Africa, (first cases notified in March 2014) is the largest and most complex Ebola outbreak since the Ebola virus was first discovered in 1976. The virus enters the human

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Human Herpesviruses: Classification, Replication Cycle, and Clinical Significance

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Introduction to Herpesviruses: The herpesvirus family contains several of the most important human pathogens. Clinically, the herpesviruses exhibit a spectrum of diseases. The herpesviruses that commonly infect humans include herpes simplex virus types 1 and 2, varicella-zoster virus, cytomegalovirus, Epstein-Barr virus, herpesviruses 6 and 7, and herpesvirus 8 (Kaposi’s sarcoma-associated herpesvirus). Classification of Human Herpesviruses:

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