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How to write an essay on: The importance of proteins in the control of processes and responses in organisms.

Explain the use of proteins as enzymatic catalyats - including examples. Enyzmes control metabolic pathways - such as in the Krebs cycle. Proteins/enzymes in photosynthesis - with examples. Control of moveme...
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Answered by Eva B. • Biology tutor
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What are the main differences between financial and management accounting?

Financial accounting is mainly focused on the external users of the financial information. Its main purpose is to communicate the financial position of the company. Preparing the financial statements is mand...
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Answered by Umar F. • Accounting tutor
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Implicitly differentiate the following equation to find dy/dx in terms of x and y: 2x^2y + 2x + 4y – cos (piy) = 17

Firstly remember that each part of the equation can be differentiated separately. Let's label each part: Part A: 2(x^2)y Part B: 2x Part C: 4y Part D: -cos(piy) Part E: 17 Parts B and E are easy to different...
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Answered by Nikhil K. • Maths tutor
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Devise a simple synthetic route to an amide from a carboxylic acid. Give a mechanism for the final step and explain why the reagents are not added 1:1 in the final step

1st step: SOCl 2 or PCl 3 to form an acyl chloride, which is now significanlty more electrophilic based on leaving gorup abiliity, hence an amine can now attack the acyl chloride to form the amide, where as ...
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Answered by Elliot B. • Chemistry tutor
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A transmitter from a researcher's boat sends a signal to the seabed of waves speed 300m/s and it takes 5 seconds for the signal to return back to the boat. Calculate the depth of the sea there.

distance=speed*time distance=300*5 =1500 1500/2 (as signal travels back and forth)=750m
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Answered by Tani A. • Physics tutor
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