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Explain what is meant by the term 'buffer solution' and give an example of a biological buffer system.

A buffer solution is a solution which resists changes in pH when small quantities of acid or alkali are added to it. An example of a biological buffer system would be the bicarbonate buffer system (regulates...
RB
Answered by Ruby B. • Chemistry tutor
7606 Views

How do you find the matrix corresponding to a transformation?

Let's say that T is a transformation of the two dimensional plane. Remember that we have the two standard unit vectors (1,0) and (0,1). These are, respectively, the unit vectors pointing in the positive dire...
RF
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Explain the role of the pancreas in controlling blood glucose levels when they are too high.

Blood glucose levels increase after the consumption of carbohydrates. To answer this question, it is important to understand how the pancreas works. The pancreas is an organ that releases hormones - it is an...
KP
Answered by Krishna P. • Biology tutor
3495 Views

Find the general solution to the differential equation: d^2y/dx^2 - 8 dy/dx +16y = 2x

d 2 y/dx 2 - 8 dy/dx +16 y = 2x Auxiliary Equation: m 2 - 8m +16 = 0 (m - 4) 2 = 0 m = 4 (repeated root) Complimentary function : y = (A+Bx)e 4x Particular integral : try y p = ax + b dy p /dx = a d 2 y p /d...
OF
9747 Views

Cystic fibrosis is an autosomal recessive condition. In a population, 0.04% of individuals have the disease. Use the Hardy-Weinberg equation to calculate the number of carriers of cystic fibrosis.

Autosomal recessive means that 2 copies of a allele are required for the phenotype. The phenotype is the set of observable characteristics due to the genotype. In this case the phenotype is whether an indivi...
CN
Answered by Caitlin N. • Biology tutor
7471 Views