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1.The rise of methicillin-resistant Staphylococcus aureus (MRSA) can be considered to be an example of artificial selection becauseA. S. aureus is cultivated by humans to replenish the soil with nutrients.B. humans synthesize methicillin and create environments in which bacteria frequently come into contact with methicillin.C. Humans are becoming resistant to bacteria by taking methicillin.D. humans purposefully raise MRSA in large fermenters in an attempt to make the bacteria ever-more resistant.
2.Although each of the following has a better chance of influencing gene frequencies in small populations than in large populations, which one most consistently requires a small population as a precondition for its occurrence?A. nonrandom matingB. mutationC. genetic driftD. natural selectionsE. gene flow
3.In modern terminology, diversity is understood to be a result of genetic variation. Which of the following is a recognized source of variation for evolution?A. mistakes in translation of structural genesB. recombination by crossing over in meiosisC. binary fissionD. rampant changes to the dictionary of the genetic codeE. mistakes in protein folding
However, this theory doesn't account for the lack of WW genotype in the population. Any thoughts?
The relative humidity in a closed room with a volume of 645.2 m^3 is 87.6% at 300K, and vapor pressure of water at 300K is 0.0313 atm.
can someone show me an example of how to complete and fully conduct a chi square test? Thanks, in advance.
Hypothesis: since the normal substrate for the enzymes is lactose, adding lactose along with ONPG will reduce the rate of yellow color formation.
Compare and contrast the benefits and consequences of salt and sugar as a preservative. How could a food manufacture that produce food intended for a low salt diet ensure a long shelf life?
Explain why are both recombination maps and physical maps important and what are the differences between them?
The [H+] of a solution is 1.0 x 10-5 M. After the addition of an unknown substance, the [OH-] was 1.0 x 10-3M. What was the unknown substance added?
How can some medications effectively block the transmission of pain impulses? Think about if this also blocks muscle impulses.
A woman has a rare abnormality of the eyelids called ptosis, which prevents her from opening her eyes completely. This condition is caused by a dominant allele, P. The woman's father had ptosis, but her mother had normal eyelids.
Discuss the difference and similarities between mosses fern and gymnosperms to their life cycle? and how did they adapt to a land environment?
Discuss why is it important to target liposomes to a particular cell type that is, why not have them bind to any cell type?
In the early 1960s a number of investigators conducted a series of elegant experiments that helped to decipher the genetic code. Which of the following describes a bona fide property of the genetic code?
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