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Describe the events that occur in a nerve cell during an action potential.

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action poten...

CH
6700 Views

what is the Pythagoras theorem?

The pythagoras theorem is the rule used to work out the length of side of a right angle triangle with one length mising and two known lengths of side. The rule states that a= b2+c<...

JK
Answered by Joseph K. Maths tutor
3055 Views

A straight line passes through the point (2,1) and has a gradient of 3. Find the co-ordinates where the line crosses the x and y axes

m=3

y1=1

x1=2

y-y1=m(x-x1)

y-1=3(x-2)

y-1=3x-6

y=3x-5

at the x-axis, y=0. 

Sub in to find the x co-ordinate:

0=3x-5

x=5/3. Hence the c...

AC
Answered by Anna C. Maths tutor
3116 Views

Discuss factors within schools that may lead to the educational under-achievement of pupils from some minority ethnic groups.

One internal factor that may lead to the educational underachievement of pupils from some minority ethnic groups is labelling and teacher racism. Gillborn (1990) and Gillborn and Youdell (2000) st...

MU
Answered by Matthew U. Sociology tutor
30124 Views

What is the subjunctive?

In Spanish there are two different moods. One of these is called the indicative, which you'll already be familiar with. It is used for making factual statements, or describing obvious qualities in a perso...

GW
Answered by George W. Spanish tutor
1821 Views

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