Biology

Draw graphs showing the effect on action potentials in a cell following effective doses of each of ...

Started by maegan_martin

If an axon has an absolute refractory period of 2 msec, what is the maximum frequency of action ...

Started by Caiter2013

Let's say we have finally discovered life on Venus. Scientists are investigating a newly discovered ...

Started by jCorn1234

Create diagrams (of the cells) and graphs (of the potentials) to illustrate the two different ...

Started by james0929

Your study partner in your physiology class insists that axons conduct graded potentials, and that ...

Started by Beheh

In a laboratory situation, a nerve can be stimulated by applying voltage from a stimulator. If a ...

Started by kwoodring

Polio is an uncommon disease in most developed countries, but it was very common before widespread ...

Started by @Brianna17

If both Na+ and K+ channels are opened by depolarization, why do we see more Na+ flux during the ...

Started by rachel9

What causes a graded potential to degrade?

Started by ereecah

Write out the Nernst and GHK equations, and explain the significance of each. Define equilibrium potential.

Started by maegan_martin

Graded potentials that arrive at postsynaptic neurons are called ________ if they make that cell ...

Started by torybrooks

Which of the following is a possible mechanism for presynaptic facilitation?

Started by a0266361136

Caffeine, nicotine, and alcohol all have effects on

Started by jman1234

The following are steps involved in transmission at the cholinergic synapse:1. Chemically gated ion ...

Started by tsand2

The primary problem in hyperkalemia is that

Started by jilianpiloj

During the relative refractory period, an initial threshold-level depolarization is usually not ...

Started by bclement10

In the first phase of initiating an action potential in a neuron, Na+ ions flow in and

Started by stephzh

If the sodium-potassium pumps in the cell membrane of a neuron fail to function, over time

Started by amal

A home satellite dish receives signals from a satellite in outer space, allowing your television to ...

Started by beccaep

Indicate true or false. If FALSE, substitute a word or phrase for the boldfaced word(s) that will ...

Started by michelleunicorn

In a(n) ________ synapse, there is a direct physical connection between cells.

Started by ENagel

The period of time during which an excitable membrane can respond again, but only if the stimulus is ...

Started by tth

If a hyperpolarizing graded potential and a depolarizing graded potential of similar magnitudes ...

Started by arivle123

When two or more graded potentials arrive at the trigger zone, which of the following could happen?

Started by folubunmi

Which is NOT a known drug effect on synaptic function?

Started by FButt