Jeddah Knowledge International School (JKS) is a leading innovative school in Jeddah, known for its quality of education, well-rounded environment, and its commitment to academic excellence.
As a school, we believe in the importance of a well-rounded education that integrates a rigorous academic curriculum with the development of life-long skills, values and attitudes. Our staff strives to prepare all our students to succeed in a demanding and ever-evolving global society.
Our academic program strives towards “Academic Excellence” and it covers the American and International Baccalaureate standards of learning, supervised by our Heads of Departments, PYP, MYP, DP, and Subject Coordinators.
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Because cells are divided in many parts that serve different functions some cellular goodies need to be transported from one part of the cell to another for it to function smoothly. There is an entire class of proteins called ‘molecular motors’, such as myosin 5, that specialize in transporting cargo using chemical energy as fuel.
Remarkably, these proteins not only function like nano-scale lorries, they also look like a two-legged creature that takes very small steps. But exactly how Myosin 5 did this was unclear.
The motion of myosin 5 has now been recorded by a team led by Oxford University scientists using a new microscopy technique that can ‘see’ tiny steps of tens of nanometres captured at up to 1000 frames per second. The findings are of interest for anyone trying to understand the basis of cellular function but could also help efforts aimed at designing efficient nanomachines.
Until now, we believed that the sort of movements or steps these proteins made were random and free-flowing because none of the experiments suggested otherwise,’ said Philipp Kukura of Oxford University’s Department of Chemistry who led the research recently reported in the journal eLife. ‘However, what we have shown is that the movements only appeared random; if you have the capability to watch the motion with sufficient speed and precision, a rigid walking pattern emerges.’
Because cells are divided in many parts that serve different functions some cellular goodies need to be transported from one part of the cell to another for it to function smoothly. There is an entire class of proteins called ‘molecular motors’, such as myosin 5, that specialise in transporting cargo using chemical energy as fuel.
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