Virtual Maths - Numbers, Geometry 3D shapes
Diagrams and forumulas for calculating area and volume of 3D shapes cube, cuboid, cylinder, sphere, hemisphere, triangular prism, frustrum, cone, pyramid
Author(s): Leeds Metropolitan University

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Alkylating agents

There are many different chemicals that directly chemically modify DNA. The methyl group (—CH3) can be added to DNA at various sites, two of which we will discuss further. There are several alkylation-sensitive sites in guanosine (identified in Table 3e). For example, methylation at the 7-position of the guanine base (
Author(s): The Open University

Introduction

This course examines the basic mechanisms responsible for our ability to hear. Humans are able to distinguish a remarkable range of sounds and hearing provides us with a unique source of information about what is occurring in our immediate surroundings. Our sense of hearing depends entirely on the sensory receptors of the inner ear known as hair cells. Hair cells are extremely vulnerable and can be affected by disease, ageing and over-exposure to loud noise. Once destroyed, they do not regene
Author(s): The Open University

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Student Volunteers on Adopt-A-Basket
Students at Ole Miss share why they volunteer to pack boxes for Adopt-A-Basket. Video by Mary Stanton Knight.
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Haworth Gift
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Creative enterprise in west Yorkshire Arts organisations
This report describes and theorises the findings of a workshop discussion, commissioned by WYLLN, into the views of arts organizations on the challenges they face in becoming more enterprising and less grant dependent.
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No welcome mat for Yanukovich in Kiev
Subscribe: http://smarturl.it/reuterssubscribe More Breaking News: http://smarturl.it/BreakingNews March 11 - Kiev residents say they don't want ousted President Victor Yanukovich back. Deborah Lutterbeck reports. Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including business, financial, national, and international news. For over 160 years, Reuters has maintained its repu
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Virtual Maths, Shapes Space and Measure, Calc Height of Building, Angle Tool
Interactive simulation demonstrating how to calculate the height of a building
Author(s): Leeds Metropolitan University

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Techniques of Biological Close-up Photography
This article describes how to take 35 mm slides of biological material to use in the classroom and for research.
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3.8.1 Standard deviation: finding how reproducible a series of measurements are

Even if we know the maximum and minimum and middle values in a group of numbers, we still don't have a clear idea about the distribution of values within that range: are most of the values all bunched up at one end or spread evenly across the results?

For instance, if I count my pulse rate on the hour every hour, nine times over the course of a day, I might get the following values for the number of beats per minute (bpm): 61, 59, 60, 62, 60, 100, 59, 63, 61. The average result is 65 bp
Author(s): The Open University

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10 Test your knowledge

Question 1

Referring to Figure 6 rep
Author(s): The Open University

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Virtual Maths - 2D Shapes, elipse
Interactive simulation demonstrating formula and calculation of area of an elipse
Author(s): Leeds Metropolitan University

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"Angel" descends on Venice to kick off Carnival
Subscribe: http://smarturl.it/reuterssubscribe More Lifestyle News: http://smarturl.it/LifestyleNews It's the most anticipated event of the Carnival-crazed city of Venice. Twenty-two-year old Julia Nasi is ready to descend from the bell tower of Saint Mark's Basilica in an event called the "Flight of the Angel". Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including busines
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1.5 Speeds

Speed is the ratio of distance travelled to time taken. A runner's speed may be quoted in metres per second, miles per hour or kilometres per hour. The units are given as:

   unit of distance per unit of time.

When you have a distance covered (such as a mile) and a time taken (such as four minutes) the average speed is defined as