Explain what the “growth cone” that Ross Harrison observed at the ends of growing nerve fibers does to influence direction of nerve growth

Q: What evidence led Sherrington to conclude that transmission at a synapse is different from…

A: The communication between one neuron and the next differs from the communication along a single…

Q: In negative feedback systems O the receptor sends a negative signal the stimulus is increased or…

A: Negative feedback loops can be referred to as those physiological processes through which hormonal…

Q: Which part of a neuron transmits an electrical signal to a target cell? Choose one answer.   a.…

A: The nervous system is made up of billions of electrically excitable, building blocks called neurons.…

Q: What is a Ranvier knot? A.Region that closes on a GFP, when calmodulin and M13 interact in the…

A: Generation and transmission of nerve impulse is the characteristics of neurons that are the main…

Q: What does CaMKII do? A. It displaces magnesium and therefore permits glutamate to open calcium…

A: The basic enzyme in neural signalling, calcium/calmodulin-dependent protein kinase II (CaMKII), is…

Q: What is meant by the experimental ablation method of studying the brain? a. The approach in which…

A: Animals have different organ system to regulate their regular activity. Brain is considered to be…

Q: The reflex arc is the fastest way the body has to move a body part from danger or away from the…

A: A reflex or reflex action is an involuntary movement in response to a stimulus. It is made possible…

Q: Explain how botox injection produces such desired result.

A: Botox injection is a non surgical cosmetic procedure to remove wrinkles on the face by paralyzing…

Q: The backflow of a nerve impulse is prevented by the fact that at a chemical synapse, the axon…

A: Neurons or the nerve cells which are the structural and functional unit of the nervous system.…

Q: Transmission of a nerve impulse across a gap between neurons is due to: a) Movement of a molecule, a…

A: Transmission of nerve impulse takes place jn brain as a result of stimuli. They are transmitted from…

Q: During an Action Potential.. 52. Sección Na* flows out of the cell 53. Na* activation gates and…

A: At the point when a neuron is depolarized, it is bound to fire an activity potential, movement of a…

Q: Compare and contrast plant and animal sensory and motor mechanisms. Give one example for each.

A: Sensory and motor mechanisms collectively works in combination and allows an organism to sense and…