2) Comenta cuáles fueron los experimentos y quienes lo realizaron que demostraron que los seres vivos provienen de otros seres vivos y, por lo tanto, refutaron a la Teoría de la generación espontánea.

showing a photograph would make this a hell of alot easier

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.

c is the correct answer hope this !

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.