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Assume that you have a stock solution of epinephrine at a concentration of 1mg/ml. Further assume that there are 20 drops/ml.
a. Calculate the number of drops of the stock solution that must be added to a smooth muscle bath containing 25 ml of Locke's solution so that the final concentration of epinephrine in the muscle bath will be 100 ?grams/ml.
b. Compute the dilution factor which describes the extent to which a single drop of stock drug solution is diluted when added to the smooth muscle bath.
Consider any natural populations that might be out of Hardy-Weinberg equilibrium? You need not to test this with statistics. Just name the species and explain the population.
Explain why does inhibiting the Na/K transport pump in neurons will not have an instant effect on membrane potential. Over time the membrane potential will depolarize.
Determine which of the following mutations is more likely to produce a severe rather than mild phenotypic consequence?
Determine what kind of energy storage molecule would you most likely find in the highest quantity in the seed of a plant? please explain why it would be this type of molecule in one sentence.
Think about a simple spherical model cell that consists of cytoplasm and a plasma membrane.
A analyzer discoveres that the correlation coefficient between the exposure to a dangerous chemical and the growth of a certain species of butterfly is -.40.
There is a common misconception that traditional taxonomy is according morphology, while cladistics is based on genetic data. How is this misconception incorrect?
On an autosome, genes A and B are twenty map units apart. An AABB male mates with an aabb female. Determine % of the gametes produced by their hybrid offspring will be Ab?
A species has a diploid number of 2n. Meiosis I fails during spermatogenesis, cytoplasm does not divide and only one daughter cell is manufactured. The resulting sperm fertilizes a normal ovum.
Explain the causes, symptoms, effects of the bulimia and anorexia. Describe the mechanism of their reversible effects. Determine the net change of the Gibbs free energy for a DNA machine.
Phenylalanine residues are often found in what general locations in water soluble globular proteins?
Justify the hypothesis of early microorganisms were chemolithotroph and why phototrophic organisms that came after had pigments that absorbed maximally at UV and IR radiation
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