Which of the following does not have an effect on enzyme activity? Temperature

Amount of oxygen

Number of substrates

Shape of active site

i think it is dna, i'm not totally sure but i think it might be.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

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.