Basic dyes such as methylene blue bind to cellular molecules that are select one: a. aromatic. b. hydrophobic. c. negatively charged. d. positively charged.

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.

not only is it colder, it also becomes darker, less salty, and more dense.