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Aspartic Acid and Proline are both part of the 20 basic amino acids. Describe their similarities and differences in terms of their properties.

As we know there are 20 fundamental amino acids used for protein synthesis. Both Aspartic Acid and Proline are such amino acids. They are composed of the typical amino acid carbon skeleton (R-CH-COOH) and of...
DA
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A light bulb is to be put in the middle of a room defined by the coordinates (10,5), (10,25), (20, 5) and (20,25). At what coordinate should the light bulb be placed?

Firstly we should try to establish the geometry of the room, ie identify the lines in which the walls lay. Noticing that two of the points have the same x coordinate of x = 10 suggests that there must be a w...
TL
Answered by Taiwo L. • Maths tutor
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Differentiate the function X^4 - (20/3)X^3 + 2X^2 + 7. Find the stationary points and classify.

Differentiation => 4X 3 - 20X 2 + 4XTo find the stationary points, set this differentiation = 04x (x 2 - 5x +4)4x (x-4)(x-1)x=0, x=4, x=1 are stationary points. Find the second derivative 12X 2 -40X +4. S...
AH
Answered by Alice H. • Maths tutor
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Find the general solution to f''(x)+ 3f'(x)+ 2f(x)=0

Firstly, I haven't seen the notation I used in alevel but I just used it for the sake of ease of typing it online.1st. Sub in the trial solution f(x)= Ae^(mx) and its derivatives- f'(x)= Ame^(mx) and f''(x)=...
JD
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Was the decline of the Qing dynasty inevitable?

I would first define the chronological framework for answering the question. For this question, I'd answer in reference to the period from the 1830s - 1911, as the later Qing period from the time of sustaine...
NW
Answered by Naomi W. • History tutor
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