Protein on the cells outer membrane allow for rapid movements a. cilia b. flagella c. micronuclei d. pili

there is no

explanation:

where is the scientific experiment?

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.