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Assume you have discovered a new Xenopus gene that codes for a RNA binding protein. You are not sure what its function is but you are interested in finding out as much as you can about the protein's role in development of the embryo (from oocyte to tailbud stage) so that you can publish your results. You have tentatively called the protein Xp65 (Xenopus protein 65 kDa).
A) How would you go about determining where and when the gene is expressed in the embryo? Make sure that you think about all the important information that you would want to know to understand when and where this gene product might be functioning. B) Once you have established the expression profile, what might you want to do to help you understand how the gene effects development? Explain what experiments you might run, and why.
C) The protein turns out to have a role in transcriptional activation during gastrulation in addition to its RNA binding activities. What might you do to determine the targets of this protein (what it turns on)?
D) You find that the gene has an ortholog in Drosophila. What might you want to do in Drosophila that you cannot do in Xenopus? Explain why this might work in Drosophila but not Xenopus.
What will the results be for each plant if light only in the 650 nm range is supplied? 500 nm range? 450 nm range? Put in plain words.What colour is each plant? Give details.
Suppose that a typical stomach pH of 2.0, how many times more concentrated are the hydrogen ions inside your stomach than in milk?
Rarely, hens reverse phenotypic (not chromosomal dew late in life and develop into sprem producing males. If such a male were to be mated to a normal female,what sex ratio will be expected among the offsrping.
explain how an action potential, originating at the axon hillock, is propagated along myelinated and nonmyelinated axons.How are graded potentials made
Both endocrine and nervous systems are major regulating systems of the body; though, nervous system has been compared to an airmail delivery system and endocrine system to the pony express. In brief explain this comparison.
Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.
In the tubular flowers of foxgloves, wild type coloration is red while a mutation called whit manufactures white flowers. Another mutation, called peloria, causes the flowers at the apex of the stem to be big.
Determine which of the three types of Natural Selection works to PRESERVE genetic variability within the population?
The digastric and omohyoid muscles are similar in that they both have________. Suprahyoid, Two bellies, 60
Two strands of a DNA molecule are radio-labeled such that each strand can be uniquely identified. After three bouts of replication, how many new molecules of DNA are formed? How many strands of DNA are radio-labeled? Are both radio-labeled strands..
Though the bone was properly set, by the time boy was 16 it was apparent that the injured lower limb was shorter than normal one. Elucidate why this difference occurred. What caused her symptoms? Was her condition because of an infection or intoxicat..
The structure of a mammalian hormone oxtocin, a nine-amino acid polypeptide as follows: cys-tur-ile-glan-asn-cys-pro-leu-gly. At the carboxyl end, the -OH is replaced by an amino group.
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