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Eukaryotic Transcriptional Control definitions Flashcards

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Eukaryotic Transcriptional Control definitions
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  • Eukaryotic Transcription Control


    Regulation of gene expression in eukaryotes via DNA-binding proteins called transcription factors, which bind to regulatory regions to control transcription initiation.

  • DNA Binding Proteins


    Proteins that bind to specific DNA sequences to regulate gene transcription by promoting or inhibiting the recruitment of RNA polymerase.

  • Regulatory Regions


    DNA sequences that transcription factors bind to in order to control the initiation and regulation of gene transcription.

  • Transcription Factors


    Proteins that bind to specific DNA sequences to regulate the initiation of transcription, essential for gene expression control.

  • Transcription Initiation


    The process where transcription factors and RNA polymerase bind to the promoter region, forming a complex that initiates the transcription of a gene.

  • Promoter Sequence


    A DNA region where transcription factors and RNA polymerase bind to initiate transcription.

  • General Transcription Factors


    Proteins essential for initiating transcription in all genes by binding to promoter regions and recruiting RNA polymerase.

  • Specific Transcription Factors


    Proteins that bind to DNA sequences to regulate the transcription of particular genes, unlike general transcription factors which are required for all genes.

  • DNA Molecule


    A double-helix structure composed of nucleotide sequences that encode genetic information, with strands running antiparallel and containing regions like promoters for transcription regulation.

  • Coding Sequence


    The part of a gene that is transcribed into mRNA and translated into a protein.

  • RNA Polymerase


    An enzyme that synthesizes RNA from a DNA template during transcription, binding to the promoter region with the help of transcription factors.

  • Transcription Initiation Complex


    A complex of general transcription factors and RNA polymerase bound to the promoter region, essential for initiating transcription in eukaryotic cells.

  • Transcription Initiation Complex (TIC)


    A complex of general transcription factors and RNA polymerase that assembles at the promoter region to initiate transcription in eukaryotes.

  • Tata Box


    A DNA sequence in the promoter region, rich in adenine and thymine, that recruits general transcription factors and RNA polymerase to initiate transcription in eukaryotes.

  • Adenines


    Nitrogenous bases in DNA and RNA that pair with thymine in DNA and uracil in RNA, playing a crucial role in encoding genetic information.

  • Thymines


    A nitrogenous base in DNA that pairs with adenine and is part of the TATA box, crucial for transcription initiation.

  • Genome


    The complete set of an organism's DNA, including all of its genes and non-coding sequences, which contains the instructions for building and maintaining that organism.