1) What are platelets? a) A protein molecule on the surface of a pathogen b) Fragments of cells made made from the cytoplasm of large cells  c) a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles. d) a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles. e) are primarily environmental bacteria and fungi that can occasionally cause infection. f) each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. 2) What are Antigens? a) A protein molecule on the surface of a pathogen b) Fragments of cells made made from the cytoplasm of large cells  c) a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles. d) a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles. e) are primarily environmental bacteria and fungi that can occasionally cause infection. f) each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. arise by mut 3) What holds the DNA? a) Nucleus b) Vacuole c) Cytoplasm d) Plasmid e) Mitochondria f) Cell Wall 4) What is the easiest way to catch a disease? a) airborne b) Contact c) Coughing d) sneeezing e) not washing hands f) blood

Biology

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