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What affect do mutations to pathogens have on the effectiveness of vaccinations, and why is this important?

Mutations of pathogens produce new strains. Vaccinations may no longer be effective against these new strains. Vaccinations would kill non-resistant strain pathogens. However, resistant strain pathogens woul...
SR
Answered by Sophie R. • Biology tutor
3928 Views

What is the process by which vaccines protect individuals against infectious diseases?

Vaccines are small quantities of dead or inactive forms of a pathogen (disease). Vaccines stimulate white blood cells to produce antibodies. These antibodies destroy the pathogensthis makes the person immune...
SR
Answered by Sophie R. • Biology tutor
3976 Views

Explain the importance of having a unique selling point (USP)

A unique selling point (USP) is a differential factor, which enables the business to distinguish itself from other competitors in the market place. As such, a USP is important as it provides more value for m...
SV
47701 Views

What are latin binomials and why do we use them?

The binomal system was invented by Carl Linnaeus in the 1700s. Latin binomials are names we use to identify different species. They come in two parts ('bi' means two, and 'nomial' means name) which identify ...
BJ
Answered by Bryony J. • Biology tutor
13947 Views

Express f(x) = x^2 + 5x + 9 in the form (x + a)^2 + b, stating the values of a and b.

The question asks you to complete the square on the function f(x). First, we split the function: f(x) = (x^2 + 5x) + 9 And recognise that we need the form (x^2 + 2k + k^2). Identifying 2k = 5, we have that k...
LB
Answered by Lee B. • Maths tutor
8135 Views