What percentage of nutrients (glucose, amino acids, etc.) is reabsorbed in the pct? 75 99 25 90 50?

What is the most important inorganic material for livings things? ! due tomorrow!

18. how do the cells in meiosis differ from the cells in mitosis?

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.