At which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase II c. anaphase I d. anaphase II

What happens during telophase?   A. Chromosomes are visible, nuclear envelope disappears, spindle fibers become visible   B. Sister chromatids are pulled apart, daughter cells begin to from   C. Chromosomes line up in the middle, microtubules attach themselves to chromosomes   D. Sister chromatids reach opposite ends of the cell, nucelar envelopes begin to form

appear during various stages of either mitosis or meiosis, and answer the following questions. 45. Refer to the drawings in Figure 13.2 of a single pair of homologous chromosomes as they might II II IV VI Figure 13.2 Which diagram represents prophase I of meiosis? a. b. v II d. IV e. VI c. 46. If a cell does not receive a go ahead signal at the Gl checkpoint in the cell cycle then it will a. proceed on to the "S" phase b. go directly to jail c. proceed to mitosis d. enter a nondividing state called the Go phase DO not pass GO. DO not collect $200 47. When T2 phages infect bacteria and make more viruses in the presence of radioactive phosphorus, what is the result? The bacterial DNA will be radioactive. The viral DNA will be radioactive. The boacterial DNA will be radioactive. The viral DNA will be radioactive. The viral proteins will be radioactive. b. c. The viral DNA will be radioactive. d. e. The viral proteins will be radioactive. 48. Each amino acid attaches to its proper tRNA…

number of chromosomes is present in ii heart cells of an organism and the sperm of an organism. The statement given above is completed by the information in row 11 _ii is present in Rowi 11 A. diploid haploid B. polyploidhaploid C. gaploid diploid D. diploid diploid