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In a population, random mutations of alleles will produce variation. Some of these mutations might be really helpful for the organism that has them and helps them to survive in their environment better. T...

7x = 4yx=4y/7If we insert this into our other equation.4y/7 + y = 8811y/7 =88y = 56As we knowx =4y/7X= 4*56/7 = 32Then we can work out the answer X - Y = 32 - 56 = -24

f(x)=(x³-2x)⁵
If we look at this function, we can see that it can be split into two functions, one hiding in the other one. Because of that, to solve this problem we will need t...

How should we approach this question? You've got an hour. Let's look at the first five minutes.First, circle on the command term. "To what extent" questions are tricky. They requires you to argu...

RNA is a single stranded molecule, composed of a ribose sugar phosphate backbone (as opposed to the deoxyribose sugar phosphate double-stranded DNA) and the bases, adenine, guanine, cytosine and uracil (i...