How does the carbon atom complete its octet? a. it forms ionic bonds by sharing electrons. b. it forms covalent bonds by donating electrons. c. it forms covalent bonds by sharing electrons.

the answer is c. It shares electrons to complete its octet

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

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.