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Question: Decreasing the extracellular K+ concentration would be expected to have which of the following effects on the resting membrane potential and excitability of the cell?a. Vm and excitability would both be unchangedb. Vm would be hyperpolarized and the cell would be less excitablec. Vm would be hyperpolarized and the cell would be more excitabled. Vm would be depolarized and the cell would be less excitablee. Vm would be depolarized and the cell would be more excitable
Calculation of amount of phenol red in micrograms present in 3ml of the solution, you will require to use the following data: the concentration of the unknown 5.0 micromoles, volume = 3ml, MW of phenol red = 376.4g.
Discuss how many different gametes are formed in a test cross when the cross examines one gene, two genes and three genes?
Why or why not explain with reason? Work the genetics problem predicting the frequencies of the versions of this trait among their prospective children.
Which of the criticisms would be addressed by using a swan-necked flask instead of the unsealed flask. Develop a hypothesis to consider how a decrease in precipitation on Darwin Island might affect beak size and develop a hypothesis to explain how a ..
We have to attach all of the sources. I am having trouble finding anything but instances and biology teacher notes. I have worked on this for 2 days and only have an opening statement that seems to pretty much sum up everything.
Plasmid size of pGLO is 5371 bp and the restriction sites for Pst I are 2106 and 3181. Compute to predict the sizes of fragments when gPLO is digested with PstI.
The CAP activator protein and the Lac repressor both control the Lac operon. You construct cells that are mutant in the gene coding for the Lac repressor.
Assume you have an animal cell in a culture and you add Carbon fourteen specifically labled glucose to the culture so that you can track the movement of carbon within the cell.
A brilliant scientist has discovered a new anti-inflammatory agent, Xious, that is capable of preventing onset of, and therapeutically down-regulating the inflammatory response in many animal models of inflammatory autoimmunity.
Explain in detail physiological basis of the usefulness of the polygraph test in order to ascertain a person's truthfulness in responding to questions. in addition, comment on the validity of this test.
A double-stranded fragment of viral DNA, one of whose strands is shown below, encodes two polypeptides called vir-1 and vir-2. Adding this double stranded DNA fragment to an in vitro transcription and translation system yields peptides of 10 residues
The Rural Development Agency of Upper Camumba has just received a grant that will allow it to electrify the valley of Chinga Creek. Eight villages should be linked to the main power net at minimum total cost. Costs for each potential link, in thousan..
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