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Q1. An efficient DNA probe can sometimes be developed by knowing the amino acid sequence of the protein encoded by the gene. A student argued that this is too time-consuming as the complete amino acid sequence must be determined in order to create the probe. Does the student have a valid argument? Why or why not give details?
Q2. Both endocrine and nervous system are major regulating system of the body; but nervous system has been compared to an airmail delivery system and the endocrine to pony express. Briefly explain the comparison.
Trypanosomses are not so young and widespread protozoa that humans have encountered for many years. Upon infection with T. brucei brucei, the organism is cleared.
Use the data provided below compute the resting membrane potential of this set of cells. Is the inside negative or positive relative to the outside ?
Explain three ways that the knowledge of metabolic processes photosynthesis and cellular respiration can improve your level of physical fitness.
Compare DNA to a cookbook. The book is kept in a library and cannot be checked out (removed). Start with the letters and words in the cookbook compared with the bases and codons in DNA
You treat a partially purified preparation of protein with a reagent that breaks bonds between sulfur atoms. Which level(s) of protein structure are likely to be affected the most and WHY?
In a population it was reported that the allele frequency for M was 80 percent and for N was 20 percent in the MN blood group. M and N are co-dominant.
1ml of potato extract, 2ml of 5mM dopa (3,4-dihydroxyphenyalanine), 0.5ml of 20mM citrate buffer, 0.5ml of 1% hydroquinone and 2ml distilled water.
Explain what is meant by state the genetic code is triplet and nonoverlapping? What did the finding that DNA base compositions varied greatly among different organisms suggest about the genetic code.
Hormone Z, responsible for maintaining normal blood levels of chemical A, binds to membrane-bound receptors on its target cells. These target cells use G-protein and cyclic AMP to carry out the response of hormone Z. compute the consequences if a dru..
In Kartagener syndrome , the protein dynein is defective. This defect is due to a mutation in the gene coding for dynein. WHY do the functional consequences of the abnormalities in the dynein structure occur in this case? Please provide a complete..
Compare and contrast vegetative features (i.e., features not directly involved in reproduction) of bryophytes and gymnosperms. For as many differences as possible, explain how the features of gymnosperms allow them to colonize dry environments bet..
Genes for color blindness and hemophilia are linked on the X-chromosome in humans with a recombination frequency of 30 %. A woman whose father was a color blind hemophiliac.
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