Is a specific portion of an antigen to which an antibody binds. for t cells, this is the peptide portion that is complexed with mhc molecules on apcs for recognition by the tcr. cytokine antigen hapten epitope

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

The dense layer of connective tissue that surrounds an entire skeletal muscle is the