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You live in a rural are. Your local radio station reports the results of an experiment a high school student conducted to test the effects of a healthy diet on the saturated fat content of cow’s milk. The student’s father bought 6 cows from two different sellers. Cows from seller […]

Questions: What, if anything, is wrong with the following statement: “When NaCl is dissolved in water, the water molecules closest to the ions will tend to orient themselves so that their oxygen atoms point toward the sodium ions and away from the chloride ions.” The drug thalidomide was once prescribed […]

Q. Recognize the non-Mendelian mode of inheritance for each of the follow: A.) A woman from the family with normal cholesterol marries a man with no LDL receptors, and all their children have cholesterol levels twice the normal of the mother. B.) In humans, skin colour follows a bell-shaped curve, […]

1) Describe the three kind of the recombination among microorganisms. DNA is transferred horizontally among same generation. The phenotype of gene at end of recombination will be changed. a) Transformation (DNA transferred as naked DNA). b) Transduction (has no contact, use vector virus). c) Conjugation (need contact: pili). 2) Select […]