20. Which organ receives only oxygenated blood? (A) lung (B) liver (C) spleen (D) gill

10. The general purpose of the synaptonemal complex is to . (A) enable the reformation of the cell wall during cytokinensis; (B) provide a link between homologous chromosomes in meiosis; (C) separate the sister chromatids during anaphase; (D) to independently assort the chromosomes during metaphase of meiosis; (E) None of the answers are correct.