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When stimulated, how does the Pacinian corpuscle produce a generator potential?

The Pacinican corpuscle is a mechanical pressure receptor around the end of a sensory neurone. When pressure is detected, the receptor is compressed, opening ligand-gated sodium ion channels. This allows sod...
EJ
Answered by Elinor J. • Biology tutor
7636 Views

Describe and explain how the typical mammalian eye provides a detailed colour image of close-up objects in high light intensities.

I would firstly begin with looking at the key words in the question such as "describe" and "explain": whilst trying to focus on those words during the entirety of the answer. This questio...
LG
Answered by Lucy G. • Biology tutor
5540 Views

Explain the differences between neuronal and hormonal communication and give an example of each.

Neuronal signals are often transmitted over a relatively short distance and over a short period of time. Due to pathways of neurons these signals can be incredibly specific, coming from one stimulus and bein...
PD
Answered by Peter D. • Biology tutor
9177 Views

Describe the Cardiac Cycle

The Cardiac Cycle can be split into three stages: Diastole, Atrial Systole, and Ventricular Systole. (Left side of heart used for example purposes). Atrial Systole: Blood enters the atrium via the pulmonary ...
AM
Answered by Angus M. • Biology tutor
4220 Views

Describe the mechanism of the polymerase chain reaction.

The polymerase chain reaction (PCR) is basically a series of three-stage cycles, each stage occurring at a different temperature. The three stages are denaturation, annealing and extension.Denaturation takes...
RK
Answered by Reka K. • Biology tutor
4044 Views