What do you understand by the term “Lancefield groups”? History In the early 1930’s Rebecca Lancefield recognized the importance of serological tests for the identification of organisms. The system is based on specific antibody agglutination reactions with cell wall carbohydrate antigens (C polysaccharides) extracted from the streptococci. Lancefield also showed that further sub division of group A into specific serological types was possible using type-specific M (protein) antigens. The groups
Premium Streptococcus Bacteria
lumber-room The story under analysis was written by Hector Munro‚ a British novelist and a short-story writer. After his parents’ death he was brought up by a grandmother and two aunts‚ one of them was a woman of ungovernable temper‚ of fierce likes and dislikes‚ imperious and a moral coward. She was the last person who should have been in charge of children. The character of the aunt in The Lumber-Room is Aunt Augusta to the life. The story is about a little boy Nikolas who lives with his cruel
Premium Family Metaphor
Bottled Water and the Environment Bottled water has become an important aspect of human lives. For some of us‚ it’s important to the point where we can say “I can’t live without bottled water!”. This is mainly because of its convenience and the idea of bottled water being more “healthy” than tap water. Bottled water may be easily accessible and maybe even tastier than tap water‚ but is it better for ourselves and the environment in the long run? The consumption of bottled water has increased tremendously
Premium Ocean Marine debris Pollution
What does it mean to be a consumer : Issues‚ Problems‚ Challenges‚ Attractions? A consumer can be defined at its most basic level as “an individual who buys products or services for personal use.” There is a common misconception that we can only consume tangible products or things which we can physically use. However‚ as mentioned in the definition above we can also consume leisure activities- such as watching television‚ surfing the internet or going for a swim‚ we can consume education by
Premium Maslow's hierarchy of needs
David Best Descriptive Paragraph Hunting has been a favorite and exciting hobby of mine all my life‚ and the excitement never seems to fade away. I hunt for turkey‚ duck‚ coyote‚ deer‚ hogs‚ and othersmall game animals. Out of everything I hunt‚ ducks would have to be at the top of the list. Every opening weekend of duck season‚ my closest friends and cousins ‚ come camping with my dad and I at the Altamaha River outside of a small town called Uvalda. I have looked forward to this weekend
Premium Hunting Camping
Jessica J. Sobá Dávila Mrs. Tecun English 101 Descriptive Essay: My Ideal Place to Live 10/15/14 As the years pass‚ I plan on how I want my future to be; I think about what kind of job I would have‚ if I would have a family of my own‚ but most importantly my ideal place to live. My ideal place to live unbelievably would be in the woods with nature. Most people would think I am crazy and might not even believe it but I love the nature. I first realized that the woods would be my ideal place to live
Premium 2006 singles 2007 films English-language films
Buenning Descriptive essay February 9‚ 2011 “When you smoke herb‚ it reveals yourself to you‚” is a famous quote of the pothead and marvelous musician Bob Marley. He felt as though marijuana helped tune in with your inner being. I believe cannabis that cannabis does this too and therefore have become a habitual marijuana consumer. Being in tune with ones inner being is important‚ yet not the reason that I smoke cannabis. The cannabis plant is beautiful‚ from the leaf to the buds you smoke
Premium Cannabis Cannabis sativa Plant
from the story‚ Poe used a writing style called gothic horror. The first literary element seen by Poe was death. In the story of " The Cask Of Amontillado " the Fortunado suffocates . Another death occurs in the story of " The Tell-Tale Heart "‚ when the narrator kills the old man in the middle of the night. The story called " The Bells" the mother died of a disease. Poe creates horror because the deaths in the stories are unexpected. The second literary element seen by Poe was obsession. "
Premium Edgar Allan Poe The Tell-Tale Heart
discrimination. Discrimination causes people to feel ashamed in themselves because of what they “categorize” in. They are treated unjustly because of their differences. By learning to be more accepting‚ we can prevent ourselves from performing these unjust actions‚ and
Premium Thought Virtue Ethics
v Describe what Montessori meant by’ New Education’ Dr. Maria Montessori is the creator for the Montessori Education Method for a new world who devoted her life to improve children’s education excellence. Her educational method is widely used in schools or at home for children 3 t0 6 years old. Maria Montessori lived through one of the traumatic time eras of the world history‚ which changed everybody’s lives including children. It was the time of anxiety‚ cruelty‚ death‚ family separation and
Premium Maria Montessori Pedagogy Educational psychology