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A person normal tidal volume is 400 mL with a dead spas of 100 mL. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar PCO2 for this person?
The presence of blood and/or casts in the urine can indicate a serious kidney problem. Why are kidney problems so serious?
Genes a, b, and c are known to be in that linear order in an organism. A testcross is done that yields 20 double crossover progeny out of a total of 1000 offspring. Assume that there is no interference.
The mediam molecular weight of eukaryotic proteins is about 40,000 daltons. A few proteins are much larger, such as a muscle cell protein called titin, which has a molecular weight of 3,000,000 daltons.
How does your individual TRC and those of the average of class compare with the average TRC of the general population as reported by Holt (1968) as 145 for male and 126 for female.
The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 5 nano molar vincristine and will need 20 ml of cells for your experiment.
Give 2 distinguishing characteristics of a tRNA molecule. In translation what does the ribosome do? With reference to translation, what does translocation refer to?
In our population there are 300 red sea stars, 200 pink sea stars and 500 White Sea stars. How numerous total alleles for sea star colour are in this population.
Calculate the heat necessary to convert 10.0 grams of solid benzene at its melting point to vapor at its boiling point. The specific heat of liquid benzene is 0.580 cal.
Assuming mating occurs at random in this population, what is the probability a couple are both carriers of Tay-Sachs disease?
Briefly describe how an F+ bacterium becomes an Hfr bacterium and what occurs in conjugation between Hfr and an F- recipient bacterium.
Carbonic anhydrase has a molecular weight of 30,000g/mol and a turnover of about 1 million per second. If you are given a solution saturated with CO2 containing 2 micrograms (ug) of carbonic anhydrase.
Discuss how would the diffusion rates of the following substances in 2 percent agar compare: sodium ions, sucrose, a 60,000 protein, and a dinucleotide?
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