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6 days ago · An antibody ( Ab) is the secreted form of a B cell receptor; the term immunoglobulin ( Ig) can refer to either the membrane-bound form or the secreted form of the B cell receptor, but they are, broadly speaking, the same protein, and so the terms are often treated as synonymous. [1]
May 23, 2024 · Definition. Non-coding DNA corresponds to the portions of an organism’s genome that do not code for amino acids, the building blocks of proteins. Some non-coding DNA sequences are known to serve functional roles, such as in the regulation of gene expression, while other areas of non-coding DNA have no known function.
May 14, 2024 · Gene, unit of hereditary information that occupies a fixed position on a chromosome. Genes achieve their effects by directing the synthesis of proteins. They are composed of deoxyribonucleic acid (DNA), except in some viruses, which have genes consisting of a closely related compound called ribonucleic acid (RNA).
- The Editors of Encyclopaedia Britannica
9 hours ago · Bessel function. Bessel functions describe the radial part of vibrations of a circular membrane. Bessel functions, first defined by the mathematician Daniel Bernoulli and then generalized by Friedrich Bessel, are canonical solutions y(x) of Bessel's differential equation.
May 7, 2024 · B-RAF represents a fascinating group of protein kinases conserved in all eukaryotes. In animals, the B-Raf protein is a proto-oncogene in the mitogen-activated protein kinase (MAPK) signaling pathway, orchestrating cell growth and division.
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May 16, 2024 · Each molecule of mRNA encodes the information for one protein (or more than one protein in bacteria ), with each sequence of three nitrogen-containing bases in the mRNA specifying the incorporation of a particular amino acid within the protein.
May 23, 2024 · Definition. A promoter, as related to genomics, is a region of DNA upstream of a gene where relevant proteins (such as RNA polymerase and transcription factors) bind to initiate transcription of that gene. The resulting transcription produces an RNA molecule (such as mRNA).
