Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
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The mechanism of somatic recombination known as V(D)J recombination only takes place in developing lymphocytes at the beginning of T and B cell maturation. As a result, B cells and T cells, respectively, have a very varied repertoire of antibodies/immunoglobulins and T cell receptors (TCRs).
<h3>What are immunoglobulin genes ?</h3>
Only B cells can make immunoglobulins, which are encoded by the immunoglobulin genes. The two identical heavy chains that make up immunoglobulin molecules are coupled with the two identical light chains, kappa and lambda. There are numerous chromosomal locations where the immunoglobulin genes are found.
- B-cell immunoglobulin gene rearrangement tests are used to help diagnose non-Hodgkin B-cell lymphomas and evaluate for residual or recurrent disease after treatment. There are many different types of B-cell lymphoma and each has different characteristics, prognoses, and a likely response to therapy
Learn more about Immunoglobulin genes here:
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1. As the speed of a moving fluid increases the pressure within the fluid decreases.
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Fertilization results in a zygote
