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Q. The Verhulst's logistic model has been practical to the natural growth of the halibut population in certain areas of the Pacific Ocean. Let NN, measured in kg, be the total mass (or biomass) of the halibut population at time tt. The parameters in logistic equation are estimated to have the values r=0.71: per: year and K=80.5times10^6: kg. If the initial biomass is N_0=0.25K, N0=0.25K, Find the biomass 2 years later; also, Find out the time tauτ for which Nleft(tauright)=0.75K.
Discuss genetic factors and genes are involved in making a human embryonic stem cell differentiate into a cardiomyocyte. Also what miRNA are involved in the regulation of this process of the proteins that do so.
Is it possible for one kind of neurotransmitter molecule to have an excitatory effect at one cell, and an inhibitory effect at another? Explain using an example.
If you have 100 mL of a 0.1 M tris buffer at pH 8.3 and you add 3.0 mL of 1 M HCl, what will be the new pH? The pKa of tris buffer is 8.3.
With these anatomical features in mind, do some research in order to determine an angiosperm which has modified leaves, stems, roots or flowers that do not function in the normal manner, or that function in an unusual manner.
What is the control in a experiment where a bank teller has brown eyes and brown hair and is taller than all the other bank tellers.
We were investigating lignin degradation by the bacterium Lignumus decaderum in the lab which was isolated from rotting piece oak. The genomic sequence of this bacterium has not yet been determined
Suppose a primer initiates the replication process in E. Coli and forms a 20bp (base pair) long stretch. Assume an error rate of 2/1000bp in primer that is taking place only in the lagging strand of DNA during replication.
What are the 6 kingdoms used to classify all living organisms and list all six kingdoms and what organisms are in each.
define the correct sequence of events in the synthesis.
How is the villus the functional unit of the small intestine? In your answer, include a discussion of its structure and function and the enzymes found there. What is the importance of surface area to the functioning of the villi?
By some estimates there are only a couple of thousand great white sharks alive in the wild. Assume that in the frequency of LDH alleles in a sample of 200 adult sharks in a population off of Australia.
What is the difference in H+ ion concentration between a solution that is pH 4 and a solution that is pH 5? Explain your reasoning.
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