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Question: Assume your professor handed you a test tube with 3.0 ml of an E.coli culture in it and told you to make a 10^(-3) dilution of the entire culture. Describe how you would do it.
Question: ION Relative Permeability [ION]in [ION]out Equilibrium Potential
Na+ 0.06 10 mM 120 mM _________ mV
K+ 1.0 130 mM 4mM _________ mV
Cl- 0.90 20 mM 200 mM _________ mV
Ca++ 0.0 1 micrometer 10 mM __________ mV
a) Approximate the membrane potential (Vm): _____ mV
b) Which ion did you use to get this value and why?
c) What vaue will the Vm reach during the peak of an action potential?
d) Now supply the true, accurate value of Vm using the numbers above:
In a separate piece of paper, make a simple family tree for a couple showing children, and lineages from two children showing grand children, great grandchildren, great great grandchildren, and great great great grandchildren.
define which glucose is transported across a cell membrane. I could also really use help with finding online references on similar topics.
Describe why extinction is necessary aspect of evolution. What would happen if nothing died and there were no extinction?
Anika's cortisol secretion level falls to normal after the medication, but Bonnie's cortisol secretion remains elevated. Which patient has primary hypercortisolism, also called Cushing's syndrome?
Describe these results by explaining how and why the introns are eliminated and proved the genotypes of Mini, Mickey and Timmy, and their children.
Think about the two linked traits in a population in which half of the individuals are double heterozygotes with genotype AB/ab and the other half are double homozygotes.
He says that the mere presence of DNA is not sufficient to prove the point: his cells may have adopted DNA as a useful molecule quite independently of all other known life forms. What would you do to convince him that he was wrong.
Explain normal regulation of blood glucose through the pancreatic hormones. How is this altered with Diabetes?
In maize, a dominant allele (A) is essential for seed color as opposed to colorless (a). Another gene has a recessive allele (w) which results in waxy starch, as opposed to normal starch (W).
A woman expressing a dominant phenotype is heterozygous Dd at the locus. Determine the probability that the dominant allele carried by the woman will be inherited by a grandchild?
sketch a diagram of the circular DNA molecule, showing the locations of the restriction sites for Ecor I and BamH I , as well as distances between them.
Add 1 liter of blood to four liters of water, then take 1 ounce of that solution and add it to 9 ounces of water. at last , take 3 mls of that dilution and add it 567 mls of water.
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