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Describe the differences between hydrophobic and hydrophilic signalling.

Hydrophobic signalling molecules can pass through the lipid bilayer of the membrane due to both being hydrphobic. Once within the cell, the molecule can bind to a receptor or transcription factor to inhibit ...
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Answered by Lindsey A. • Biology tutor
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How do I boost my marks in an extended answer question based on a source?

Let’s take a look at an example: Using figure 2, examine how a spit has been formed by physical processes working together. (8 marks). 4 marks are awarded for addressing the command word: Examine. This means...
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Answered by Anna F. • Geography tutor
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Given y = 2x^2 + 3x + 2 find dy/dx

To get dy/dx from a formula y in terms of x we must differentiate y with respect to x. Generic formula for term differentiation: d/dx(ax^b) = bax^b-1 = times the coefficient by the power and minus the power ...
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Answered by Alex O. • Maths tutor
12452 Views

Given that 4 sin(x) + 5 cos(x) = 0 , find the value of tan x .

Before we get started with answering the question, it is generally good practice to write down any formulas and equations you know that will help us work through the solution. So what formula do we know that...
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Answered by Varun C. • Maths tutor
13677 Views

How do I get started with my project?

Being faced with a blank canvas was one of the most challenging thing for me. What should I do? What artists should I research? What themes and ideas am I going to cover? We often spend a lot of time in the ...
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Answered by Santiago W. • Art tutor
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