An antibody is a protein that has which level of protein str

An antibody is a protein that has which level of protein structure? Primary Quaternary Tertiary Secondary Which cell type does the HIV infect? Cytotoxic T lymphocytes B lymphocytes Helper T lymphocytes Suppressor T lymphocytes

Solution

antibody is a protein which is in quaternary structure because it consist of more than one polypeptide chains (two heavy chain and two light chain ) joint by disulphide bond.

HIV infect Helper T lymphocyte(CD4⁺T cells).It causes the lower level of CD4⁺ cells by pyroptosis.When CD4 cell number is declined below a normal level than cell mediated immunity is lost and body become suceptible to various infection.