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You have sampled a population in which you know that the percentage of the homozygous recessive genotype (aa) is 36%.
When plasmids are isolated from bacterial cells, they may exist in a number of forms.
In a patient with low aldosterone production, a change in plasma K+ levels occurs. Fully explain the effect that this change in K+ level will have on the membrane potential of excitable cells and on t
In a given population only the A and B alleles are present in the ABO system. There are no individuals with top type O blood or with O alleles in this population.
Assume you have one organism with a gene for ampicillin resistance and another organism with a gene for luciferinase.
How would restriction enzymes play a role in having an organism produce a protein that it normally doesn't make?
Why are the restriction enzymes added last to the digestion mixtures?
what could account for low end nuclease activity?
why was DNA digestions carried out in 370c?
What is nicked circular DNA and why is it termed "relaxed"?
List and describe the major steps of transcription
How did you feel when you or that person was in the hospital?
On July 8th, a woman was given an antibiotic for presumptive sinusitis. However, her condition worsened, and she was unable to eat for 4 days because of severe pain and tightness of the jaw.
What is the probable origin of the infections?
Three days before a nurse developed meningococcemia, she assisted with intubation of a patient with a Neisseria meningitides infection. Of the 24 medical personnel involved, only this nurse became ill
A group of smokers suffering from the outcome of severe Staphylococcus aureus infections, MRSA, are suing the cigarette companies for extent of their injuries.
What binds to the operator of the lac operon?
What is unique about nitrogen metabolism bacteria performing the anammox process?
Describe the 3 places where tRNA is found on a ribosome
How can you tell if a trait is determined by more than one gene?
You want to insert a DNA fragment into pT5 plasmid . The DNA fragment is an open reading frame with ATG on the 5’end. pT5 plasmid contains a bacterial promoter at 0.8 kb position
Explain an application of the findings of the TCR and IL-7 signaling research. Why is it important that the authors’ theory was reproduced in an in vivo model?
What is the significance of finding out if the TCR signaling behaves the same way in thymocytes versus mature T cells?
You are examining an embryo that a colleague brought to show you. This embryo expresses a reporter gene (e.g., luciferase or gfp) to monitor the levels of hairy1 expression. You observe that the cycle