Archaea are ancient bacteria that are the ancestors of modern bacteria. a) Archaea are not bacteria and are not the ancestors of modern bacteria. b) Archaea are not bacteria and are the ancestors of modern bacteria. c) Archaea are modern bacteria that are the descendants of ancient bacteria. d) Archaea are ancient bacteria that are the ancestors of Eukarya. Bacteria differ from eukaryotes in having no nucleus, mitochondria, chloroplasts, or ribosomes. a) Bacteria differ from eukaryotes in having no nucleus, chloroplasts, or ribosomes, but, like all cells, have mitochondria. b) Bacteria differ from eukaryotes in having no mitochondria, chloroplasts, or ribosomes, but, like all cells, have nucleus. c) Bacteria differ from eukaryotes in having no nucleus, mitochondria, or ribosomes, but, like all cells, have chloroplasts. d) Bacteria differ from eukaryotes in having no nucleus, mitochondria, or chloroplasts, but, like all cells, have ribosomes.
One full cycle of meiosis produces four haploid cells. Meiosis, in Biology, is a special kind of cell division wherein a single cell divides twice and produces or forms four daughter cells which contains half of the original amount of genetic information.