Cellular Processes

Virtual Lab 2: Cellular Processes A. Bacterial Growth. 1. Estimate how long it takes for this population of bacteria to double. Hint- this population doubles multiple times during the duration of this recording. B. Cellular reproduction 1. Estimate the percentage of time that a constantly developing cell spends in interphase. Use the cell cycle links. 2. In a random selection of 100 such cells, estimate the number that would be undergoing mitosis at any given time. (Use your answer from part 1.) 3. Understand the basic differences between mitosis, meiosis, and binary fission. Is mitosis more similar to meiosis or to binary fission? Explain your reasoning. C. Cellular metabolism 1. In a paragraph or two compare and contrast photosynthesis and cellular respiration. 2. Describe the ecological relationship between photosynthesis and cellular respiration. 3. Consider the balance between cellular respiration and photosynthesis. Hypothesize about what might happen if a large number of producers were suddenly removed from the biosphere. Where might carbon accumulate if the ratio of number of producers to consumers was markedly reduced? Be explicit.