Which statement most accurately describes the system of particles represented in the following bar chart? a. in equilibrium, with an equal number of x and y particles. b. in equilibrium, with more y particles than x particles. c. not in equilibrium, with an equal number of x and y particles. d. not in equilibrium, with more y particles than x particles.

The pronunciation aid that determines the stress placed upon a syllable is the

Write the balanced chemical equation forphotosynthesis.

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.