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Design an experiment to increase the virulence and pathogenicity of Streptococcus pneumoniae (Hint: S. pneumoniae that is transferred for several passages in vitro loses its capsule and virulence for mice.) Would an increase in virulence confer a selective advan- tage for the organism? Be sure to consider the natural habitat ...
On an island chain in the Pacific Ocean, you come across a numberof species of hummingbirds. The species are all similar enough thatthey probably all share a common ancestor, yet different enough tobe classified as separate species. How does the theo..
During the transfection experiment I added buffer and enhancer intothe DNA tube and let it sit for 5 minutes...from here my professorsaid that some complex is formed and we need to know what thatcomplex is and what it does to DNA...but I can't fin..
CC DD and cc dd individuals were crossed and hte F1 generation was backcrossed to get cc dd parent. 903 Cc Dd, 897 cc dd, 98 Cc dd. c and d are 10 m.u apart.
For the design include the independent variable, the dependent variable, two possible controls, and 2 units of measurement the researcher should use and what the unit should be used to measure.
What are “rafts”? Compare and contrast the impact of the current catastrophic duststorm afflicting Australia, and toxin produced by a massive RedTide bloom very close to the coast of Florida.
A female rabbit with hemophilia, rickets and a tail was mated to a male rabbit that did not have hemophilia or rickets but lacked a tail.
Explain how an enzyme catalyzes a reaction. what are the three main steps of the cycle of enzyme-substrate interactions.
q. 1. modern theory suggests that an early pre-life atmosphere on earth was a reducing one. why for what reasons is it
calculate the Shannon-Wiener index (H0) for each plot. I've broken the data above into three separate tables for your calculations. Fill in the following three tables and calculate H0 for each plot.
In some species, insertion of transgenes is impossible at this time. Researchers often attempt to reduce the activity of a single gene by feeding the organism 25 nucleotide RNAs. Explain how this affects the activity of a single gene. (3 mechan..
A cross is made between individuals of genotypes AA : bb x aa : BB. The F1s are then testcrossed. The following data is obtained.
Explain circular metabolism and describe how the urban area closestto you can improve on practising more of a circular metabolism.
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