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Describe how mRNA is produced in the nucleus of a cell.

The process in which mRNA is produced is called transcription.Firstly, DNA Helicase breaks Hydrogen bonds to unzip the DNA molecule and expose the base pairs. Then nucleotides enter through nuclear pores ...

Answered by Joana S. • Biology tutor

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Use calculus to find the set of values of x for which f(x) = x^3 - 9x is an increasing function.

f(x) is an increasing function when its gradient is positive. To find the the gradient of the the function we must differentiate it:d/dx f(x) = 3x² - 9. To differentiate we multiply the exponen...

Answered by • Maths tutor

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3 green balls, 4 blue balls are in a bag. A ball is removed and then replaced 10 times. What is the probability that exactly 3 green balls will be removed?

(Binomial)P(G=3) : (₁₀C₃)(3/7)³(4/7)⁷

Answered by • Maths tutor

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Evaluate gf(-5) for the functions f(x)=3x+7, g(x)=3x^2+6x-9

I like to think of gf(-5) as g ( f(-5) ), which helps visualise the order in which you need to calculate the output for each function. First you need to find the answer for f(-5), which you then use as t...

Answered by • Maths tutor

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Outline a cognitive approaches to explaining depression, with reference to who founded it and examples to explore their ideas.

Beck's negative triad focuses on negative schemas, maladaptive frameworks of understanding, that create cognitive biases which then lead to feeling of depression and lack of control. The triad includes bi...

Answered by • Psychology tutor

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