What is the role of the RISC complex in RNAi?
What will be an ideal response?
Ans: The RISC complex contains the proteins and siRNA required for cleavage of the target mRNA. The siRNA base pairs with the target mRNA after a helicase unwinds the siRNA.
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An individual's genome sequence can reveal his or her disease susceptibilities and drug sensitivities, which allows treatments to be tailored to the individual. This approach is called:
A. personalized medicine. B. sequence assembly. C. shotgun sequencing. D. genome annotation. E. None of the answer options is correct.
Two populations experience equally severe bottlenecks, reducing each to one-tenth of its original size. One population is in the bottleneck for one generation, and the other is in the bottleneck for five generations
You assess the heterozygosity of both populations after they have been restored to their prebottleneck size. What do you expect to find, and why?
Which of the following statements is true concerning an outgroup?
A. It is the least closely related taxon to any of the other taxa in the tree. B. It is an extinct reference for the rest of the taxa in the tree. C. It is the most recent common ancestor for the other taxa in the tree. D. It is the most closely related taxon to the other taxa in the tree but does not share the most recent common ancestor with the ingroups.
Cestodes are often transmitted via which of the following?
A) aerosols B) open wounds in the skin C) undercooked meats D) water