Which cloning vector should be used to express a 500-kb DNA fragment in Saccharomyces cerevisiae?
A. BAC
B. ?1059
C. YAC
D. pUC19
Answer: C
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The environment of human skin requires an adaptation for microbes that can tolerate moderately ________ conditions.
A. halophilic B. alkaline C. anaerobic D. thermophilic E. psychrophilic
What strategies are used by the cell to make energetically unfavorable reactions occur?
What will be an ideal response?
In an island population, the frequencies of the three MN blood types are given here:
M: 550 MN: 725 N: 225 a. Calculate the allele frequency of M and N. b. Assuming random mating, what are the expected frequencies for each blood type? c. Use chi-square analysis to test your hypothesis that mating is random for this population.
The first human genetic disease to be successfully treated by gene therapy was ________
A) cystic fibrosis B) sickle cell anemia C) chronic myelogenous leukemia D) adenosine deaminase deficiency E) albinism