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At 1 AM, a healthy squid giant axon is placed in a bath of normal squid physiological extracellular saline and is internally perfused with normal squid intracellular saline.
Its resting potential at 1:55 AM is -70 millivolts. For this question, ignore any possible effects due to the sodium-potassium pump. At 2 AM, there is a change in the
A. Intracellular perfusion fluid so that its concentration of potassium ion is increased. This will cause an increase in the Nernst equilibrium potential for potassium ion.
B. Intracellular perfusion fluid so that its concentration of potassium ion is increased. This will cause an increase in the resting membrane voltage.
C. Extracellular saline so that its concentration of potassium ion is decreased. This will cause a decrease in the Nernst equilibrium potential for potassium ion.
What is Risk Risk : A function of the probability of an adverse effect and the magnitude of that effect, consequential to hazard(s) in food.
What are the structural differences between roots and shoots? What structures are unique to each?
Why is it not correct to assert that DNA self-replicates? DNA is not completely autonomous in its duplication process because the replication does not happen without enzymatic
a) Mention the number of primers needed in each cycle of polymerase chain Reaction (PCR) . Write the role of primers and DNA polymerase in PCR. b) Give the characteristic fea
What are restriction enzymes? How do these enzymes participate in the recombinant DNA technology? The Restriction enzymes, or restriction endonucleases, are enzymes specialized
Which of the following statements is most acceptable from an evolutionary point of view? (a) Apes and humans have evolved from a common ancestor. (b) Humans have evol
Which of the following statements is correct? A. Hemoglobin binds O2 cooperatively, while myoglobin does not. B. Myoglobin binds O2 cooperatively, while hemoglobin does not.
State Diploblastic in brief. Organisms formed from only two primitive cell layers- ectoderm and endoderm. Though there may be some type of a matrix between two cell layers, gen
Q. What is Osmotic diarrhoea? This kind of diarrhoea is caused by the presence of osmotically active substances in the intestinal tract, which in turn, favour the drawing of la
Restaurant deep fat frying evaluation A number of factors are studied when evaluating frying oils. During deep fat frying, the fat is exposed continuously to elevated temperat
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