Friday, September 30, 2022

Tag Archives: lac operon

(Molecular Biology Session 17) Regulation of Gene Expression p2

Regulation of Gene Expression p2 Regulation of Gene Expression in Eukaryotes Constitutive genes Inducible genes Euchromatin Heterochromatin Chromatin Structure Acetylation Methylation Ubiquitination Basal Promoters Upstream Promoters Enhancer Sielencer Source link

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Examining Gene Expression & Regulation | Live Review Session 5 | AP Biology

In this AP Daily: Live Review session for AP Biology, we will review gene expression and regulation, including nucleic acids & their role in gene expression. We look at replication, transcription, RNA processing & translation. We’ll highlight four topics in Unit 6: Gene Expression and Regulation. We start with Topic 6.2: Replication to examine the mechanisms by which genetic information is copied for transmission between generations will be reviewed. We will discuss how to explain relationships between […]

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Prokaryotic Gene Regulation: Lac Operon

The first fully described genetic regulatory mechanism is the lac operon in E. coli bacteria. Today, it still represents an adequate model for prokaryotic gene regulation. An operon is a transcription unit of genes whose products are required under identical circumstances. So, it facilitates the coordinated expression of multiple genes. Further information can be found under: Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars! Free […]

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Regulation of Gene Expression: Operons, Epigenetics, and Transcription Factors

We learned about gene expression in biochemistry, which is comprised of transcription and translation, and referred to as the “central dogma” of molecular biology. But how is this process regulated? How does a cell know which genes to express and when? Well it’s pretty complicated, but let’s just get our feet wet by looking at operons, epigenetics, and transcription factors! Watch the whole Biology/Genetics playlist: General Chemistry Tutorials: Organic Chemistry Tutorials: Biochemistry Tutorials: Anatomy & Physiology Tutorials: […]

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Gene Regulation

031 – Gene Regulation Paul Andersen explains how genes are regulated in both prokaryotes and eukaryotes. He begins with a description of the lac and trp operon and how they are used by bacteria in both positive and negative response. He also explains the importance of transcription factors in eukaryotic gene expression. Do you speak another language? Help me translate my videos: All of the images are licensed under creative commons and public domain licensing: Bioinformatik, English: […]

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Gene Regulation and the Order of the Operon

Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned “on” and “off” and why this is essential for cellular function. Check out our FREE video handouts on The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit: REFERENCES: We cover the […]

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