1. In the simple picture below we are focusing on the chromosomes. Notice that the chromosomes are condensed and the nuclear membrane and spindles are not shown. a. Please label the following and indicate with arrow(s): sister chromatids, a pair of homologous chromosomes, a centromere. b. Label the part of diagram that indicates a double helical molecule of DNA and highlight it with a thick line. c. How many molecules of DNA are shown in this picture? d. Is this cell haploid or diploid (circle one). How do you know? e. Below the diagram, indicate the ploidy (number of sets of information) and the number of chromosomes.