Answer:
Detects foreign antigens
Explanation:
Antibodies are the defense cells of the body. They are produced by the white blood cells and help in fighting and killing foreign bodies which are known as antigens. The antibodies attacks the antigens by binding onto it and releasing chemicals to kill it or by engulfing the foreign body( antigen).Examples of antibodies are IgA and IgG.
Answer:
Deprivation, competition for jobs, commodities and housing etc are the causes of xenophobia.
Explanation:
There is a great xenophobia occur in South Africa because of many causes such as deprivation, competition for jobs, commodities and housing etc. Xenophobia is refers to hatred of local people against people belongs and come from other countries. xenophobia attacks occur in South Africa in the year 1994 and 2008 in which immigrants faced discrimination and violence in South Africa that leads to the death of many people.
DNA<span> is a double stranded molecule. The nucleotides on each </span>strand<span> are held to the opposite </span>strand<span> with hydrogen bonds. So if on one </span>strand<span> you adenine the </span>complementary<span> nucleotide is thymine. For guanine the </span>complementary<span> nucleotide is cytosine.</span>
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