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You are asked to determine the number of viable organisms per ml in a sample. The sample is thought to contain between 6.3X10^6 and 8.4X10^6 organisms per ml. How would you do this with the least amount of error? Diagram the procedure and dilution scheme that you would follow. Indicate which plate is likely to be the best plate to count.
Asume lysine molecule is absorbed through digestive tract of the Triceratops. Indicate how each of the following structures aid in digestion?
In a generalized transduction experiment, phages are collected from an E. coli donor strain of genotype cys+ leu+ thr+ and used to transduce a recipient of genotype cys- leu- thr-.
A true breeding black goose from Nova Scotia is crossed with true-breeding black goose from Japan, manufacturing F1 offspring that are all gray.
In the jimsonweed plant, purple flowers are dominant to white. Self-fertilization of a particular purple-flowered jimsonweed produces 28 purple-flowered and 10 white-flowered progeny. What proportion of the purple-flowered progeny will breed true?
Which of the following is an accurate comparison of vertebrate lungs?
How would you compare/contrast a hypothesis and theory as pertaining to science? What examples can you provide to support your answer?
Dr. Ara B. Dopsis and Dr. C. Ellie Gans are performing genetic crosses on daisy plants. They self-fertilize a blueflowered daisy and grow one hundred progeny plants that consist of 55 blue-flowered plants,
What are the allele frequencies for the blood types, genotype frequencies, and phenotype frequencies in this sample population?
What is the maximum distance (in map units) that can exist between two linked genes? Explain your reasoning.
Describe how Mendel's scientific approach enabled his genetic experiments to be successful.
If a plant that is 4n undergoes sympatric speciation by autopolyploidy, what will be its ploidy as a new species?
A membrane which is permeable to an uncharged molecule X separates two solutions. Solution A contains a 100 mM solution of X and B 10 mM. If the permeability constant for X is 5 cm/s.
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