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This is a quadratic equation of the form ax^2 + bx +c, where (t-1)=a 4=b . (t-5)=0 Therefore if there are no real roots, you get that b^2-4ac<0. (using the quadratic formula)

First plug in valu...

To regulate a number of processes in the body, there needs to first be recognition of current levels in order to respond in the appropriate way. For example there is a temperature "norm" (~36.9°...

This is the way that the body maintains a stable internal environment, which is vital for correct functioning of the cells in the body. For a stable environment there are several things which need to be r...

This is a good candidate for integration by parts because it is a product of two functions – ln(x) and x^3, and x^3 is easy to integrate. The definition for integration by parts is: integral(u dv/dx) d...

Restriction enzymes cut at specific sequences named palindromic sequences. These are unique as they read the same in opposite directions. A specific palindromic sequence is complementary to a specific res...