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PMAT preferentially transports 5-HT and DA, [14] with a transport efficiency comparable to SERT and DAT, but a with a lower K m. [3] PMAT and similar transporters like OCT3 are commonly referred to as uptake 2 transporters. Uptake 2 transport refers to the transport of biogenic amines through low affinity, high-capacity transporters. [3]
Ndt80 is a meiosis-specific transcription factor required for successful completion of meiosis and spore formation. [17] The protein recognizes and binds to the middle sporulation element (MSE) 5'-C[AG]CAAA[AT]-3' in the promoter region of stage-specific genes that are required for progression through meiosis and sporulation.
PMAT may refer to: Plasma membrane monoamine transporter (PMAT) Four phases of mitosis: prophase, metaphase, anaphase, and telophase: Prophase: Chromatin into chromosomes, the nuclear envelope breaks down, chromosomes attach to spindle fibers by their centromeres. Metaphase: Chromosomes line up along the metaphase plate (center of the cell).
A meiocyte is a type of cell that differentiates into a gamete through the process of meiosis. Through meiosis, the diploid meiocyte divides into four genetically different haploid gametes. [ 1 ] [ 2 ] The control of the meiocyte through the meiotic cell cycle varies between different groups of organisms.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Cell division producing haploid gametes For the figure of speech, see Meiosis (figure of speech). For the process whereby cell nuclei divide to produce two copies of themselves, see Mitosis. For excessive constriction of the pupils, see Miosis. For the parasitic infestation, see Myiasis ...
Meiosis generates genetic variation in the diploid cell, in part by the exchange of genetic information between the pairs of chromosomes after they align (recombination). Thus, on this view, [28] an advantage of meiosis is that it facilitates the generation of genomic diversity among progeny, allowing adaptation to adverse changes in the ...
ChatGPT, the massively popular conversational chatbot, was down for a short time before the issue was resolved, according to an OpenAI status update.
It can also happen during mitotic division, [1] which may result in loss of heterozygosity. Crossing over is important for the normal segregation of chromosomes during meiosis. [ 2 ] Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the ...