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1. Antibiotic resistance in bacteriaa) Is a life threatening problem which is increasing in occurrence.b) Is caused by over use of pesticidesc) Is caused by over use of fungicidesd) Could endanger species of bacteria.
2. What happens to colonies of bacteria that live in your body when they gain a mutation that helps them tolerate colder temperatures than 98.6?a) They succeed in human populations in cold climatesb) They out compete bacteria who are unable to tollerate colder temperatures.c) They are eventually out competed by bacteria who don't have the burden of replicating all the molecules associated with tolerating cold.d) They simply live like the other bacteria. Bacterial populations are continually amassing all their mutations.
3. Based on the reading, the solution to health problem of antibiotic resistant strains of bacteria may be:a) developing new antibioticsb) to develop new classes of antibioticsc) to fight fire with fire: bread bacteria that are supper susceptible to antibiotics so that they will breed with the resistant strains and pass on their "low quality" genes.d) to reduce the use of antibiotics
Describe the four tissue types, nervous, muscle, epithelial, connective. How did tissues and multicellular animals evolve? How do animals develop.
Think about a cross between a male who has vitamin D resistant rickets and a female who has fully functional PHEX protein and does not express vitamin D resistant rickets.
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When water containing impurities is forced against a filter that allows only water through, the process is called reverse osmosis".
Some times in the movie, politics of science were discussed. Explain how politics played a role in the discovery of DNA structure. Do you think the science of today is more or less political than it was during the 1950s? Examine one instance of moder..
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The urine of a thirteen year old boy turned dark brown several weeks after a bout with strep throat. The diagnosis was glomerulonephritis.
explain the advantage and disadvantage of random addition or deletion of nucleotides at VDJ junctions during re-arrangement of immunoglobulin gene segments.
According to ABC model of floral development, which genes would be expressed in a showy ornamental flower with multiple sepals and petals but no stamens or carpels.
Assume your TA gives you a bacterial culture and claims there are 4.8 x 107 bacteria/mL in the culture. To check up on her, you prepare serial dilutions of 10-4 - 10-7.
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