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Please describe the sequence of events that results in blood being ejected from the heart once it first enters (8)

Blood enters via right atrium 2. Blood passes through the tricuspid valve to enter the right ventricle 3. This blood is then pumped from the right ventricle to the Lungs where it is oxygenated 4. Oxygenated ...
TK
3300 Views

Find the binomial expansion of ((x^2) − 5)^3

This is a typical Core 2 maths AS question. I would start by explaining how a formula can be used to expand this expression and similar ones. I would then explain how to create pascal's triangle and how it c...
JC
Answered by James C. • Maths tutor
6699 Views

What sort of inhibitor in an enzyme catalysed reaction is NOT affected by substrate concentration?

Non competitive inhibitors bind to a site other than the active site, called the allosteric site. As a result of this, the 3D tertiary structure of the enzyme is damaged and the enzyme is no longer capable o...
AS
Answered by Aishwarya S. • Biology tutor
3406 Views

Define the term standard electrode potential

The standard electrode potential is the electromotive force of a half-cell compared to that of a hydrogen half-cell under standard conditions. Standard conditions: Temperature=298K, Pressure=100kPa; all solu...
AE
Answered by Akshay E. • Chemistry tutor
15618 Views

How do you find the volume of a conical frustum?

First look at the volume of a cone, V = (pi R H)/3. It is clear the volume of our conical frustum will be that of a large cone minus that of a smaller one on top. Also note that the smaller cone will simply ...
SB
Answered by Sam B. • Maths tutor
4589 Views