Monopolistically Competitive firms have one characteristic that is like a monopoly (a differentiated product provides market power), and one characteristic that is like a competitive firm (freedom of entry and exit). … Oligopoly = A market structure characterized by barriers to entry and a few firms. What are the conditionsRead More →
The dominant antibody isotype of the mucosal immune system is IgA. This class of antibody is found in humans in two isotypic forms, IgA1 and IgA2. The expression of IgA differs between the two main compartments in which it is found—blood and mucosal secretions. Which antibody immunoglobulin class protects mucosalRead More →
The Water-Gate is a temporary flood barrier which is unique in the way that, once rolled out, it self-deploys. It uses the weight of the water to hold the water back. The water lifts the top of the barrier whilst at the same time weighing the base down, forming aRead More →