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chromatin remodeling is essential for gene activation and can be achieved using different mechanisms.
a.What different types of enzymes are used to modify histones, and how do these enzymatic modifications lead to chromatin remodeling?
b. In what other ways can chromatin be remodeled?
Who wrote the essay that inspired both Darwin and Wallace to develop the theory of natural selection? What did the essay say?
In a theoretical operon, the genes A, B, C, and D represent a repressor gene, a promoter sequence, an operator, and the structural gene but not necessarily in that order.
What are the expected frequencies of three phenotypes (bald, red hair, yellow hair) in the male offspring of this cross? Imagine we observe 50 percent bald, 42 percent yellow hair, and 8 percent red hair. What is a recombination fraction between the ..
Purines and pyrimidines play crucial part in cellular energy systems signaling and in the production of DNA and RNA.
Joshua Ledergerg said, "Our only real competition for domination of planet remains the viruses." In what respect might you make a similar argument about insects.
An eight cell frog embryo can be separated into its individual cells and those cells placed in incubators with all the necessities for development.
Explain the composition of the genetic material in bacteria, in archaea and in eukaryotic cells. Distinguish between the structure and function of the genetic material as chromotin and as chromosomes.
Waxy endosperm, shrunken endosperm, and yellow seedling are encoded by three recessive genes in corn that are linked on chromosome 5. Find the the genetic distance between Wx and V
Two dissimilar inbred strains of mice, A and B, are crossed to yield an F1 hybrid strain, AB. Suppose if a large dose of spleen cells from an adult A mouse is injected into an adult AB mouse,
Give one example of humans evolving over the past 10,000 years. Explain why and how evolution is take place?
Describe how those mutations can potentially result in cancer. Make sure you list all references used for information and images.
What are the different phospholipases that act to hydrolyze the ester linkages of the groups attached to the various carbon atoms of glycerol? At which carbon atom of glycerol are you most likely to have arachidonate bound?
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