Biology, 27.08.2019 04:10 ethanyayger

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what is the structure of ovotransferrin, leucine, immunoglobulin a and what relationship does their structures have with their function?

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Answer from: Maaarii

Explanation:

The answer is IgA.

IgA is the immunoglobulin that consists of a dimer or a tetramer, a J-chain polypeptide, and a polypeptide chain called the secretory component. IgA is the principal antibody class in the secretions that bathe the mucosal surfaces, acts as an important first line of defense. It is also an important serum immunoglobulin, mediates a variety of protective functions through interaction with specific receptors and immune mediators.

Answer from: kaybug27

Transferrin–Ovotransferrin
Ovotransferrin is an iron-binding glycoprotein, found in egg white and chicken serum, belonging to the family of transferrin iron-binding glycoproteins. It is a negative APP in mammals, but a positive one in chickens [18]. It is a moderate APP, increasing 10- to 100-fold upon inflammatory stimulation. Elevated serum IL-6 concentrations and increased numbers of heterophils preceded an increase in ovotransferrin [19], which peaked after 3 days, remained high at 5 days, and returned to basal levels after 10 days. Challenges with E. coli, fowl poxvirus, respiratory enteric orphan virus, infectious bursal disease virus, infectious bronchitis virus, and infectious laryngotracheitis virus have all been reported to increase the level of ovotransferrin in serum [10,20]. Ovotransferrin appears to be a multi-functional protein with iron binding, iron delivery, bacteriostatic, bactericidal, antiviral, and immunomodulating properties

Answer from: Quest

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

Answer from: Quest

for example, forests have higher evapotranspiration than other ecosystems, such as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

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