Answer:
Western blot should be performed
Explanation:
Generally ELISA test is sensitive to elevated antibodies levels in the blood. Because HIV infection is characterise with increases in antibodies levels(HIV-antibodies levels)of the body, it is usually the first screening test for HIV,however it is also sensitive to elevated antibody from any other infection apart from HIV. Therefore for confirmation, the procedure is to run a second ELISA test, to determine if the antibody rise was due to HIV or not. If the second test turns positive, then Western blot can be applied.
The Western blot through secondary and primary antibodies binding , separates the investigating antibodies, and identity the specif HIV antibodies present to give a positive HIV-antibody, confirming ELISA positive test.
Thus for confirmation of HIV specific antibodies of the blood; ELISA test followed by Western blot is ideal
A change in the substance by temp, color,
Answer:
Polymers are made from a chain of one similar subunit bound together in sequence. Proteins are made from polypepetide chains which are sequences of amino acid subunits. Another example of polymer is DNA and RNA made of nucleic acid subunits.
However, lipids do not have one similar subunit but rather variable ways in which the lipid chains can form. For example phospholipid unit is made of a phosphate molecule bound to a fatty acid chain and glycerol. A triglyceride is a subunit of glycerol bound to three fatty acids chains. Cholesterol is also considered a lipid but is made of carbon rings rather than chains. Lipids therefore cannot be referred to as a polymer.
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Answer:
negative
Explanation:
electrons have negative charges and elements are usually neutral. so if you add a negative, it will make the atom have a negative charge. think of it as a seesaw, in an atom there are 10 protons and 10 electrons, if an 11th electron friend joins, the seesaw will lean more towards the negative side now. :) hope i helped
Answer:
Gender affects blood pressure, blood pressure is higher in men than in women at similar ages.
pulse pressures (PP) were higher in males than in females among adults less than 45 years old. Diastolic blood pressures were lower among adult females across all age categories.
Explanation:
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