Matching: In the space provided, write the letter of the phase during which each event occurs. Some answers may be used more than once. a. interphase

b. prophase

c. metaphase

d. anaphase

e. telophase

f. cytokinesis

25. The nucleolus begins to disintegrate.

26. Chromatids separate at the beginning of this phase.

27. The chromosomes move toward the center of the cell.

28. A chromatid from each pair is now attached at each pole.

29. The cell grows rapidly.

30. Separate spindle fibers become attached to the centromeres of each chromosome.

31. Separate chromosomes are not clearly visible but the chromatin has become thicker and shorter.

32. A cell plate completely divides a plant cell.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim