Potential

the cell body by the retrograde transport for degradation and recycling. 2. Can depolarization occur without an action potential being created? Explain An action potential begins when a depolarization increases the membrane voltage so that it crosses a threshold value. 3. If a strong stimuli (suprathreshold) is applied, how is it reflected when we observed an action potential? It can increase the frequency of action…

tittle: The bouncing ball efficiency when bouncing a ball at different heights Energy cannot be destroyed or created it can only be transferred in to different types of energy like kinetic, heat, light, electrical, chemical, elastic potential, gravitational potential, thermal, nuclear and sound energy. When calculating energy, you would work in measurement like joules, kilojoules and millijoules. There are many types of energy like kinetic energy which is when a object is moving like a car…

Instead, potential energy is stored in things like ropes until the catapult is ready to fire, when the energy transfers to the projectile and become kinetic. The three primary energy storage mechanisms are tension, torsion, and gravity. The catapult has proven to…

In order to determine the extent to which the reversal potential for potassium determines the resting membrane potential of a given cell, a mechanism is needed to determine the change in membrane voltage across the cell in different extracellular potassium solutions. The intracellular recording technique consists of puncturing a prepared cell with a conductive pipette. The difference in potential between the extracellular electrode and the wire in the pipette is recorded and displayed on the…

investigate the ionic basis of the neuron’s resting membrane potential (Vm). We examine how this potential is affected by potassium ion [K+] concentration and permeability using Orconectes rusticus crayfish abdominal muscles, and we ask whether or not the Nernst Equation solely based on [K+] can also predict the cell’s resting membrane potential. We predicted that [K+] concentration had a significant influence on the membrane potential and thus the Nernst Equation was an accurate predictor of…

resistance is common. Stability is evident when adding toxins for selective pressure ensures that only the stable ones can proliferate in further cultivations10. In this experiment, we use the Geneticin (G418) toxin agent for isolating drugs with potential antagonism. G418 inhibits polypeptide synthesis (400 μg/mL is recommended). G418 resistance involves the addition of a Tn5 gene that encodes for an…

roller coaster system. In doing this we were able to determine the velocity of the cart as a function of its height upon the roller coaster, find the kinetic and potential energy for each trial of the cart and conclude energy loss due to friction. The results from part one concluded that as the roller coaster cart went down a hill the potential energy was converted into kinetic energy that resulted in an increase of speed. When the cart was at its highest peak it had the lowest velocity, but…

the stretch of the spring; gravitational potential energy (GPE); the springs potential energy (SPE); the kinetic energy produced (KE); and the total energy of the system over time. Where, gravitational potential energy is the energy the weight has due to its position in the…

known as an Action Potentials (AP), which propagate down an axon to transmit a signal to another cell. The signal may be transmitted to another neuron through a synapse of another dendrite or will form a Neuromuscular junction with a skeletal muscle cell. Skeletal muscle consists of many multinucleated muscle fibers connected to intercalation of sarcoplasmic…

The refractory period is when the nerve or muscle cell fires during which the cell can’t respond to stimulation not until the resting potential is re-established. This process is called the refractory period. The first part of the refractory period this is called the absolute refractory period. It reaches the start of the action potential until the K+ begins to shut. During this process, the sodium channels are active, so the membrane will not respond to the stimuli. The second part…