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  2. Ribosomal DNA - Wikipedia

    en.wikipedia.org/wiki/Ribosomal_DNA

    The ribosomal DNA includes all genes coding for the non-coding structural ribosomal RNA molecules. Across all domains of life, these are the structural sequences of the small subunit (16S or 18S rRNA) and the large subunit (23S or 28S rRNA). The assembly of the latter also include the 5S rRNA as well as the additional 5.8S rRNA in eukaryotes.

  3. Progesterone receptor - Wikipedia

    en.wikipedia.org/wiki/Progesterone_receptor

    The progesterone receptor (PR), also known as NR3C3 or nuclear receptor subfamily 3, group C, member 3, is a protein found inside cells. It is activated by the steroid hormone progesterone . In humans, PR is encoded by a single PGR gene residing on chromosome 11q 22, [ 5 ] [ 6 ] [ 7 ] it has two isoforms, PR-A and PR-B , that differ in their ...

  4. Progesterone - Wikipedia

    en.wikipedia.org/wiki/Progesterone

    Progesterone is the most important progestogen in the body. As a potent agonist of the nuclear progesterone receptor (nPR) (with an affinity of K D = 1 nM) the resulting effects on ribosomal transcription plays a major role in regulation of female reproduction.

  5. Pharmacokinetics of progesterone - Wikipedia

    en.wikipedia.org/wiki/Pharmacokinetics_of...

    Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...

  6. Gene - Wikipedia

    en.wikipedia.org/wiki/Gene

    Selected portions of the DNA nucleotide sequence are copied into a corresponding RNA nucleotide sequence, which either encodes a protein (if it is an mRNA) or forms a 'structural' RNA, such as a transfer RNA (tRNA) or ribosomal RNA (rRNA) molecule. Each region of the DNA helix that produces a functional RNA molecule constitutes a gene. [15]

  7. Eukaryotic transcription - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_transcription

    Eukaryotic cells contain hundreds of ribosomal DNA repeats, sometimes distributed over multiple chromosomes. Termination of transcription occurs in the ribosomal intergenic spacer region that contains several transcription termination sites upstream of a Pol I pausing site.

  8. Ribosomopathy - Wikipedia

    en.wikipedia.org/wiki/Ribosomopathy

    The 5S DNA occurs in tandem arrays (~200-300 true 5S genes and many dispersed pseudogenes); the largest is on chromosome 1q41-42. 5S rRNA is transcribed by RNA polymerase III. [5] It is not fully clear why rRNA is processed in this way rather than being directly transcribed as mature rRNA, but the sequential steps may have a role in the proper ...

  9. SSU rRNA - Wikipedia

    en.wikipedia.org/wiki/SSU_rRNA

    Small subunit ribosomal ribonucleic acid (SSU rRNA) is the smaller of the two major RNA components of the ribosome. Associated with a number of ribosomal proteins , the SSU rRNA forms the small subunit of the ribosome.

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