7.5 Summary of Section 7

  1. Site-directed mutagenesis is an important technique for studying protein function. Using recombinant DNA technology, selected amino acids can be substituted with different residues to alter the structure and function of a protein. One widely used method employs primer extension. SDM studies can help identify residues that are critical for interactions or catalytic activity.

  2. Protein–protein interactions can be studied in a number of different
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Sargassum Fish
The sargassum fish can camouflage itself to look exactly like a sargassum plant and ambush unsuspecting prey with deadly ease. See these fish in action as well as learn information about them. The video can be used with a lesson on animal defenses and adaptations, specifically camouflage, protective resemblance, and mimicry. Run time 01:42.
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RVC 25 - The Role of Mitochondria in Health and Disease
Mitochondria are cell organelles which play a critical role in energy supply in most higher organisms. But how did that role develop and how do they achieve this function? In the latest episode of the RVC Podcast Dr Michelangelo Campanella discusses these questions and relates his research findings on how poor mitochondrial function can contribute greatly to disease processes.
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5.9 Membrane filtration

Membrane filtration is a process whereby particles smaller than about 10−2 mm (which can pass through sand filters) are removed using synthetic polymeric membranes and a high pressure. The membrane effectively acts as a sieve.

It is increasingly becoming popular as an advanced treatment process for water (especially for removal of Cryptosporidium) and wastewater (where water reuse takes place), and various possibilities are:

  • <
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7.340 Immune Evasion: How Sneaky Pathogens Avoid Host Surveillance (MIT)
Every infection consists of a battle between the invading pathogen and the resisting host. To be successful, a pathogen must escape the many defenses of the host immune system until it can replicate and spread to another host. A pathogen must prevent one of three stages of immune function: detection, activation, or effector function. Examples of disease-specific immune evasion and the mechanisms used by pathogens to prevail over their hosts' immune systems are discussed. Also considered is what
Author(s): Halme, Dina Gould

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An Implementation Brief: Evaluation of an Android-based mHealth System for Population Surveillance i
By: Jamia Presented by Zeshan A. Rajput
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7.5 Summary of Section 7

  1. Site-directed mutagenesis is an important technique for studying protein function. Using recombinant DNA technology, selected amino acids can be substituted with different residues to alter the structure and function of a protein. One widely used method employs primer extension. SDM studies can help identify residues that are critical for interactions or catalytic activity.

  2. Protein–protein interactions can be studied in a number of different
    Author(s): The Open University

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Circulatory System Rap
This computer animated video is a circulatory system rap about the heart, sending blood to the lungs, and  arteries.  Lyrics are included on the screen.  (02:00)

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2.5 Wavelength

So far we have seen that sound is a pressure wave, and that the spacing of the pressure variations is related to the period of vibration of the source.

A graphical representation of the pressure wave from a tuning fork closely approximates to a certain type of wave known as a sine wave.

If we freeze the pressure wave as a snap shot in time, the variations in pressure with distance from the tuning fork can be plotted as a sine wave. The vertical axis is pressure so the crest
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1.1 Introduction

There are many environmental reasons why coal is a rather undesirable source of energy. Burning it introduces large amounts of gases into the atmosphere that harm the environment in a variety of ways, as well as other, solid waste products. Coal extraction leads to spoil heaps and mines that scar the landscape, land subsidence that affects roads and buildings, and in some cases water pollution.

With apparently so little going for it, why do we rely so much on coal to meet our energy nee
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Virtual yeast cell
This rich learning object is used to introduce yeast cytology to students taking Module D24BS3 Brewery Yeast Management as part of the MSc in Brewing Science. The virtual cell permits the students to understand structure and function of yeast organelles.
Author(s): Smart Katherine;Wang Steve

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Web Science from a multinational business perspective
Web Science from a multinational business perspective - JP Rangaswami
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Introduction

An essential aspect of maintaining the body is the consumption of food. The range of foods that we eat is known as our diet and the components of food that are digested, absorbed and used in bodily functions are known as nutrients. Nutrients supply the body with both energy and with the components for growth and repair. In this free course, Obesity: balanced diets and treatment, you will examine the various roles of nutrients within the body and look at the effects of nut
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7.342 Cancer Biology: From Basic Research to the Clinic (MIT)
This course is one of many Advanced Undergraduate Seminars offered by the Biology Department at MIT. These seminars are tailored for students with an interest in using primary research literature to discuss and learn about current biological research in a highly interactive setting. In 1971, President Nixon declared the "War on Cancer," but after three decades the war is still raging. How much progress have we made toward winning the war and what are we doing to improve the f
Author(s): Kim, Carla,Haigis, Kevin

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Lindy Hop - Hellzapoppin (1941)
Whitey's Lindy Hoppers excerpt from "Hellzapoppin" (1941) featuring Frankie Manning (in the Mechanic's Dungarees). (2:22)
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Introduction

Inspired by the Scientific Revolution of the seventeenth century, the intellectuals of eighteenth-century Europe launched a dazzling programme for the extension of knowledge and for the promotion of human welfare. Their programme has become known as the ‘Enlightenment’ and their age is often called the ‘Age of Enlightenment’.

This unit is concerned with science in Scotland, one of the most dynamic centres of Enlightenment thinking. Writers speak of the mid-eighteenth century as
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4.1 Global coal reserves

Having looked in detail at how coal is mined, this section focuses on those areas of the world that produce it. It begins by looking at how and why reserves of coal are distributed throughout the UK and Europe, before reviewing the current global reserves of coal.


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Male Giant Panda Bear Dust Bathing
This short video gives excellent real life footage of a male Giant Panda dust bathing. This is a great resource to help build background knowledge and to help make real world connections between nature and the classroom. (Less Than 2 Minutes)
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World's Young Ballet - Mikhail Baryshnikov
This fascinating look at world of international ballet competitions features a young Mikhail Baryshnikov competing and winning in Moscow in 1969. The Moscow International Competition of Ballet Artists at the Bolshoi Theater attracts young dancers from around the world to compete for gold and silver medals, much like the Olympics.
 (2:03)

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2.3.2 Inner experiences

A second kind of data is people's inner experiences, including their feelings, beliefs and motives. These cannot be directly seen from the outside; they remain private unless freely spoken about or expressed in some other way. Examples of these inner experiences include feelings, thoughts, images, representations, dreams, fantasies, beliefs and motivations or reasons. These are only accessible to others via verbal or written reports or as inferred from behaviours such as non-verbal communicat
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