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Determine the integral: ∫5x^4dx

x^5+C

Answered by Salomon L. • Maths tutor

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Expand and simplify 5(x+4)-3(2+3x)

5(x+4)-3(2+3x)

Expand first bracket

5x+20-3(2+3x)

Expand second bracket

5x+20-6-9x

simplify

14-4x

Answered by Jacob F. • Maths tutor

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Messenger RNA (mRNA) is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus of the cell. (6 marks)

This process is called transcription. In the nucleus, an enzyme helicase is used to break the hydrogen bonds between the two strands of the double helix. Only o...

Answered by Kirstin P. • Biology tutor

3270 Views

How do you best succeed at the essay element of the exam?

The key elements to doing well on the essay part:

know the book / movie well and know what happens in each scene
know the key vocab including techincal terms

Answered by Caroline R. • German tutor

1617 Views

During anaerobic respiration, pyruvate is converted to lactate by the enzyme lactate dehydrogenase. Explain the significance of this reaction.

This reaction involves a transfer of hydrogen from NADH to pyruvate to produce lactate and NAD⁺. In order for glycolysis to continue to produce ATP for the cell to use, NAD⁺ is requi...

Answered by Thomas S. • Biology tutor

11555 Views