Top answers

Effect of temperature on enzyme catalysed reaction

Increasing temperature increases KE of molecules1. so more enzyme-substrate (E-S) collisions1. more E-S complexes formed2. Hydrogen/ ionic bonds broken2. Enzyme becomes denatured2. Active site changes shape,...
KC
Answered by Kelvin C. • Biology tutor
2848 Views

Define what a Demerit Good is and explain why they are often over-consumed in the free market.

Demerit goods are goods that cause negative externalities, which are external costs imposed upon a third party that was not involved in the economic transaction. Consumers may be unaware of the long term pro...
RS
Answered by Ravi S. • Economics tutor
15715 Views

How well did Cicero negotiate the dynamics of power during the Fall of the Roman Republic?

This is a typical Classical Civilisation exam/ essay question. It focuses on evaluating a certain subject and invites the student to tie their knowledge of the period back to their own opinion. My answer wou...
JM
1866 Views

Express sin(5theta) in terms of sin(theta) and powers of sin(theta) only.

Consider the expression (cos(theta) + i*sin(theta)) 5 . (Where theta a real parameter).By De Moirve's theorem, we know this expression is equivalent to cos(5theta) + i sin(5theta).We can also apply the binom...
PF
6142 Views

Explain and contrast the differences between plant and animal cells.

Taken from AQA specification learning outcome 4.1.1.2Students should be able to explain how the main sub-cellular structures, including the nucleus, cell membranes, mitochondria, chloroplasts in plant cells ...
GK
Answered by Gabby K. • Biology tutor
3665 Views