Locations in California are warmest in summer because sunlight in summer is A) least intense and of shortest duration
B) least intense and of longest duration
C) most intense and of shortest duration
D) most intense and of longest duration

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Select the correct answer from each drop-down menu proteins are

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.