How can distant cells communicate? O membrane carrier proteins O second messengers O nuclear pores O hormones O integrins

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,