Phagocytes utilize all of the following to optimize interaction with (getting to and getting hold of) microorganisms except1. lysozyme.2. complement.3. chemotaxis.4. opsonization.5. trapping a bacterium against a rough surface.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

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