WILL GIVE BRAINLIEST IF CORRECT High-energy radiation is often used to treat cancer. Which statement best explains why this treatment is effective?

A. The radiation kills cancer cells but leaves healthy cells intact.
B. The radiation is especially damaging to cancer cells because of their high rate of mitosis.
C. The radiation is especially damaging to cancer cells because of their genetic composition.
D. The radiation kills cancer cells and healthy cells equally, but is directed precisely at cancer cells.

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Witch theory suggests all living things are made up of cell or cells

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.