Which plasma protein is important in body defense?

The correct answer is immunoglobulins.

Immunoglobulins, also called as antibodies, refer to the molecules or glycoproteins generated by the white blood cells (plasma cells). They function as an essential component of the immune reaction by uniquely determining and combining with the specific antigens, like viruses or bacteria, and helps in destructing them.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully