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In fruit flies, the gene for eye color is sex-linked (X-chromosome) and red eye color is dominant over white. The gene for body color is an autosomal trait with gray dominant over black. A heterozygous red-eyed, pure-bred gray female mates with a heterozygous gray male who has red eyes. What is the probability that any of the offspring produced have he following traits?
a. Red eyesb. gray bodyc. white eyed femaled. white eyes and heterozygous gray bodye. female and red eyed gray body
Suppose you have just added 100 mL of 0.5 M acetic acid to 400 mL of 0.5 M NaOH. What is the final pH ? (The pKa of acetic acid is 4.7.)
When chromatin from any eukaryote is digested with micrococcal nuclease and fractionated using electrophoresis, DNA fragments of approximately two hundred base pairs in length are observed.
Primary transcripts produced by RNA polymerases are generally faithful copies of the DNA template. However, most final/functional forms of these RNAs vary substantially from the primary transcript.Give an instance of an RNA class.
If an AaBBCcdd male ma of ridge-producing genes possible in one of their children? What is the minimum number of ridge-producing genes possible in a child of this couple?
It is a great day at the lab. You have identified an E. coli F- strain that cannot grow without biotin (bio-). Unfortunately, the next day a rivaling postdoc "accidently" mixed your strain with another strain ‘X' that cannot grow without arginine ..
The relative electrophoretic mobilities of a thirty kd protein and a 92-kd protein used as standards on an SDS polyacrylamide gel are 0.80 and 0.41, respectively.
ESI-TOF MS of a protein from a low pH solution generates a series of m/z peaks. The two most dominant successive peaks have m/z values of 510.0 and 502.9.
In gel filtration chromatography under native cconditions, a protein of interest elutes with a molecular weight between five hundred and 550 kDA.
There are four main categories of molecules of life. Complete the table given by indicating, the name of each of the four categories of the molecules of life
A student harvested a plate ofDictyostelium cells and removed a few drops of the cell suspensionfor counting.
From the molecular level, how is theimmune response to viral infection generated?
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299 K. If I raise the temperature to 350 K and lower the pressure to 1140 mm Hg, what is the new volume of the gas.
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