Adepressed friend has turned to you for . what is the first step you should take to tour friend a. take the friend to exercise b. refer the friend to a doctor c. confine in friends and family d. keep it secret, at least at first

Across of blue x blue (both heterozygous) would result in

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

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.