Top answers

(Note this is the kind of exercise I would ask someone who is doing further maths and especially someone MAT/STEP) Sketch the graph of y=sin(1/x)

First of all we want to think about the general behaviour of the function. Does it grow as x grows? Does it oscillate? Does it tend to a limit? We also need to think about if there are any worrying points in...
JT
Answered by James T. • MAT tutor
1911 Views

Analyse representation of age in the media today.

Representation is how someone or something is portrayed. Ageism is a growing concern in modern media with each age group’s mainstream representation increasingly confined to narrow stereotypes. The most unde...
Answered by • Media Studies tutor
2943 Views

How to approach and analyse historiography

Historiography refers to different historians’ written interpretations of events and periods of history. In order to analyse different historians’ arguments, it is important to determine how far the historia...
FB
Answered by Flo B. • History tutor
12705 Views

What role do calcium ions play in contraction of the sarcomere? (4 marks)

When an action potential arrives at the motor end plate it causes depolarisation to occur in the sarcolemma of the effector muscle cells.2) Depolarisation spreads via T-tubules to the sarcoplasmic reticulum ...
BW
Answered by Ben W. • Biology tutor
7060 Views

MRSA and C. difficile are resistant bacterial strains which cause life-threatening infections in hospitals. Explain how MRSA/ C. difficile could arise from non-resistant bacteria. [6 marks]

Natural SelectionCompetition for survival between bacterial colonies/ Selection pressure is survivalVariation between colonies linking to phenotype of resistanceSpontaneous mutation produces antibiotic resis...
IC
Answered by Ijaz C. • Biology tutor
3037 Views