A neuron's repetitive firing rate is limited by an absolute refractory period, during which a new action potential cannot be generated. Which event is chiefly responsible for this limit?

What is the relative movement of the plate along San Andreas fault

Question 5 What is the best description of chromosomes by the end of anaphase II of meiosis? The chromosomes in each of two haploid cells coil and become more compact. The chromosomes in each of two haploid cells line up in the middle of the cell.

Which is considered an external environmental factor that contributes to bronchoconstriction?

Scientists are trying to reduce the amounts of carbon dioxide and methane that enter the atmosphere. Which statement explains what will most likely happen as a result of these efforts? These efforts will cause Earth's average temperature to increase.

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

Which is more likely to be dangerous-a volcano that erupts frequently or a volcano that has been inactive for a hundred years? Why?

Why are the chemicals in photosynthesis and cellular respiration the same?

What is the mass of the sun guess

Oxycontin abusers are typically young white males. a. True b. False

A species displaying which of the survivorship curves is likely to produce the most offspring?