Top answers

All subjects
All levels

Describe the events that take place in a neurone which produce an action potential

  • The action potential begins when the stimulus exceeds the threshold.
    - The voltage gated sodium ion channels open.
    - Sodium ions diffuse into the axon down an electrochemical gradient.
    LG
    Answered by Lauren G. Biology tutor
    12889 Views

Calculating the hydrostatic force on a submerged body

The hydrostatic force is a force exerted by a fluid on a submerged body. This force comes from the weight of the fluid acting down on the submerged body, so it can be derived from the equation weight (in ...

SH
Answered by Samuel H. Physics tutor
8334 Views

How do you calculate the pH of a weak acid?

Strong acids dissociate fully in so...

JM
Answered by Joe M. Chemistry tutor
13411 Views

How do I integrate by parts?

Lets use and example: y=xsin(x). If we try to integrate this normally, we find it very hard. The integration by parts method splits up the function we are integrating into manageable bits. The formula...

BW
Answered by Barnaby W. Maths tutor
4874 Views

What are the stages of drug testing?

The first stage when a new drug is developed is to model how it is expected to behave in the human body, test animals and individual cells on a computer. This ...

SW
Answered by Savannah W. Biology tutor
21154 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning