<span>Cytotoxic T cells recognize specfic antigens on the MHC sites to respond to an infection whereas NK cells are innate response and don't rely on antigen.</span>
Is this a multiple choice question?
Protein replenishes the muscle and helps build it. Think of it like this: if you eat a lot of unhealthy foods and workout, you will gain no muscle; if you consume protein and workout, your muscle will grow stronger.
