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What are social action/interactionist theories?

Social action theories and interactionism can be defined as micro level, 'bottom up' approaches that focus on the actions and interactions of the individual. Importantly these theories are voluntaristic, the...
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Answered by Alice D. • Sociology tutor
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When do mutations not cause a change in amino acid sequence?

The genetic code is degenerate - this means that amino acids can be coded for in more than one way. In an mRNA sequence coding for a protein, each amino acid in the protein is encoded by one codon (set of th...
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Answered by Ellen P. • Biology tutor
6370 Views

How can an object accelerate without changing speed?

Acceleration is defined as the rate of change of velocity. Since velocity is a vector quantity (it has both magnitude and direction) defined as speed in a particular direction, any change in either speed or ...
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Answered by Ellen P. • Physics tutor
86095 Views

microeconomics

Water is produced and sold by the government. Demand for water is represented by the linear function Q=50-2P. The total cost function for water production is also a linear function: TC(Q) = 100 + 10Q. a. Sho...
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Answered by Nazanin S. • Economics tutor
10085 Views

How do I differentiate "messy" functions?

Often, it can seem daunting when you are asked to differentiate a function that looks particularly messy. However, it's really quite simple if you break it down in easy to manage steps. I find students seem ...
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Answered by Sam M. • Maths tutor
6603 Views