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What are some of the major differences between viruses and bacteria?

Viruses are parasitic organisms that cannot survive outside a living host. They are considered to be non-living, however this still remains debatable amongst virologists. They infect their host and utilise i...
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Answered by Antonia E. • Biology tutor
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f(x)=2x+c, g(x)=cx+5, fg(x)=6x+d; c and d are constants. Work out the value of d

f(g(x))=2(cx+5)+c fg(x)=2cx+10+c 2cx=6x 2c=6 c=3 10+c=d d=13
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Answered by Imogen B. • Maths tutor
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Make x the subject of 3y + 2x = 6y - x/2

Multiply whole equation by 2 6y + 4x = 12y - x Take 6y from both sides 4x = 6y - x Add x to both sides 5x = 6y divid both sides by 5 x = 6/5(y)
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Answered by Ben P. • Maths tutor
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Explain how Giraffes may have evolved to have long necks.

There would be variation in the length of necks in the early giraffe population. Those who had longer necks would have an advantage for survival as they would be able to reach higher into the trees to feed. ...
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Answered by Imogen B. • Biology tutor
4874 Views

Describe and Evaluate Marxist Views of the Family.

Marxism views family as an institution to advance capitalism and maintain its needs. Engles argues that originally we lived in ‘promiscuous hordes’ and the family was only created as a capitalist concept to ...
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Answered by Jack M. • Sociology tutor
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