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Do the data that Mendel obtained fit his hypotheses? For example, Mendel obtained 315 yellow round, 101 yellow wrinkled, 108 green round, and 32 green wrinkled seeds from the self fertilization of Yy Rr Individuals (a total of 556). His hypotheses of segregation and independent assortment predict a 9:3:3:1 ratio […]

You are to convert the 5 mM fumaric acid in a waste stream into malate using fumarase immobilized on nonporous spherical particles. The enzyme has a turnover number of 23/sec, and a Km of 1.55 mM. The immobilized enzyme particles are 1 mm in diameter, and they contain 99.4 x […]

Q1. A cross between a short-tailed mouse and a long-tailed mouse yields all short-tailed mice. Crosses among the F1 yield an F2 of 48 short-tailed mice and 22 long-tailed mice. Recommend a model (as in diagram the cross) to describe these results. Q2. The objective of the letter is to […]

1. An enzyme is discovered that selectively shortens telomeres. Its gene is isolated, cloned and transfected into a malignant cell line where it is transcribed and translated. What might happen to the cell line? What happens when a cell expresses telomerase?2. You are experimenting with two strains of bacteria. The […]