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What are the responses of a plant root system in case of lack of oxygen for its respiration ?
why does the skin of your finger shrink when someone washes clothes for a long time?
What are the five criteria that a disease needs to meet in order to be a good candidate for gene therapy?
Two strains of E. coli, A and B, are inoculated into a chemostat in equal proportions. After one generation, the frequency of strain B is 20%. Calculate the fitness of strain B relative to strain A. Show your work.
1. Population with a given locus is occupied by two alleles, A and a, the frequency of A is 0.6. If we consider that the population is in Hardy-Weinberg, calculate the frequency of heterozygotes.
2. In a balanced population of Hardy-Weinberg, 15% of individuals show the recessive trait. Calculates the frequency of the dominant allele in the population.
3. 50 fishes of AA genotype and 50 fishes of genotype aa were placed in an aquarium. What should be, according to the Hardy-Weinberg proportions of genotypes (AA, Aa and aa) in this population in the next generation? And the next generations? Is that what we will see? Explain.
4. If the conditions of the Hardy-Weinberg are met, the probability that an individual is AA is p2, that it is aa q2 and that it is 2pq Aa. How are Hardy and Weinberg arrived at these values? Why p2 for AA? Why 2pq Aa? Imagine that you place in a bag 100 white balls and 100 red balls. You freelancing a ball and put it back in the bag. Then you freelancing one second ball...
The patient is experiencing diabetic nephropathy with hypertensive chronic renal disease and chronic renal failure. How many codes would be assigned for this patient?
Which one of the following components of urine in a healthy human DOES NOTdiffer much in concentration from that of blood plasma? And why?
a) NH4+ b) K+ c) Na+ d) SO42-

f. You are a scientist and reading this article led you to an idea for an investigation on this topic. Describe how you would go about devising the experiment. Be sure to list your hypothesis and your methods.
Formulate a testable hypothesis that confirms how the acquisition of language accounted for the rapid intellectual development of humans during evolution. Include steps in scientific method.
An analysis of a lipid shows that it is made up of two fatty acids and a phosphate group, each bonded to a glycerol molecule. The molecule has a hydrophobic end and a hydrophilic end. Based on this information, what conclusion can you draw regarding this lipid?
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