Which innate immune system component uses mhc i molecules directly in its defense strategy?
macrophages
neutrophils
nk cells
interferon

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.

i do believe the correct answer would be the third one. location c, because earth is tilted away from the sun at this time

hope this