For a regular neuron, the Nernst potential of K+ is about -90 mV. If a researcher applies a drug that binds to and blocks 50% of K+ leak channels, what will the new Nernst potential of K+ be? 1. 0 mV
2. -45 mV
3. -90 mV
4. -135 mV
5. -180 mV

Which flexible structure that supports the nerve cord and led to the backbone

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?