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1. a) Distinguish between gram-negative and gram postive bacteria. What external structures may be present in both? b) Draw and label a complete virus. 2. Describe what is meant by alternation of generations. 3. Compare and contrast angiosperms and gymnosperms. 4. Name the four major tissue types of animals, and […]

Question: The following recombination frequencies were found for four (A, B, C, and D) on the same chromosome; between genes A and B – 45%, between genes C and D- 10%, between A and D – 7% between C and B – 18%, between genes C and A- 17% and between […]

Calculate GPP, Increase in biomass, photosynthetic efficiency, etc., by explaining how you arrived at the final answer and showing all of the equations or formulas involved in each calculation. Kindly use the correct scientific units throughout the calculation, as well as in the final answer. Please use scientific notation and […]

A Drosophila researcher has recently isolated a number of mutant fruit flies. The phenotype of each mutant is described below (i–iv). For each mutant, describe the type of gene (maternal-effect gene, gap gene, segment-polarity gene, or homeotic gene) that was most likely the cause of the altered phenotype. Briefly explain […]