Which of the following do all disease-causing viruses need in order to reproduce? a reverse transcriptase b the equipment of the host cell c amino acids d a signal from other viruses

Does mitochondria still meet the definition of a eukaryote why or why not?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.

Label all the places where dna is located in the plant cell and in the animal cell. dna