What is the primary function of antibody-mediated immunity??

1 answer:

7 0

Humoral immunity or humoural immunity is the aspect of immunity that is mediatedby macromolecules found in extracellular fluids such as secreted antibodies, complement proteins, and certain antimicrobial peptides. Humoral immunity is so named because it involves substances found in the humors, or body fluids.

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In what process do bacteria break nitrogen gas down into a usable form for plants?

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During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.

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A man with normal vision marries a color-blind woman. Red-green color blindness is an X- linked recessive disorder. They have a

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Answer: The probability is 100%.

Explanation: The chromosome X is related to gender. A man carries two different chromosomes (XY) and a woman carries two similar chromosomes (XX). The offspring of a couple will inherited:

If it is a boy, he inherites the chromosome Y from his father and X from his mother;
If it a girl, she inherites X from her father and X from her mother;

In the question, the woman is color-blind, which means she carries the recessive alleles: $X^{d}X^{d}$

The man, on the other hand, is normal, so his X-linked genotype will be: $X^{D}Y$ .

Now, since they have a daughter, she inherited her double X from each of her parents, which means she inherited one $X^{d}$ from her mother and one $X^{D}$ from her father.

So, the daughter's genotype can only be heterozygotic $X^{D}$ $X^{d}$ in other words, the probability is 100%.

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