Calvin Williams Chapter 20 1. Advances in recombinant DNA technology allow scientists to work with smaller fragments of DNA‚ give them more tools to dissect and analyze DNA‚ and also allow for them to make many copies of a strand of DNA. 2. Restriction enzymes are made by bacteria to cut up invading DNA. They target specific base sequences in the DNA and then work to cut out those sequences from the DNA. 3. When a restriction enzyme cuts out a portion of DNA‚ it will sometimes leave a sticky
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The Devil and Tom Walker is a short story about a man who makes a deal with the Native American version of the devil called “The Old Scratch.” In the beginning‚ Tom Walker meets the devil in an abandoned house in a swamp. The devil offers him a part of Kidd the Pirates hidden treasure‚ which is under his protection. Tom’s wife is convinced that Tom should take him up on the offer because they will be richer in the long run. When Tom decides against it because he doesn’t want to share with his wife
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faint and plaintive‚ puppies emit a real bark‚ kittens meow‚ and lambs bleat. They are endowed with such instinct from birth. “Animals have merely awakened their instincts towards their specified behavior‚” (Maria Montessori‚ Her life and Work chapter XII‚ page 203). In the case of human baby‚ it is less complete physically and is much slower to develop its powers of movement. At birth‚ baby cannot raise himself‚ cannot speak‚ cannot walk‚ he lies inert and helpless for a long time. It takes a
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people were secluded due to their very own beliefs. Lastly this is where a lot of myths were created‚ such as some urban legends. This was also a time in which things such as the revolutionary war took place. So some stories may be influenced by it Summary of : “Common Sense” In this passage the government and society are compared. Where society is what the people are‚ and where government is just a simple institution made to protect us from our vices. Analysis of time period affect \
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The Devil and Tom Walker A few miles from Boston‚ in Massachusetts‚ there is a deep inlet winding several miles into the interior of the country from Charles Bay‚ and terminating in a thickly wooded swamp‚ or morass. On one side of this inlet is a beautiful dark grove; on the opposite side the land rises abruptly from the water’s edge‚ into a high ridge on which grow a few scattered oaks of great age and immense size. Under one of these gigantic trees‚ according to old stories‚ there was a great
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In the first stanza‚ by arranging two sets of opposing ideas within the same line (“black” “white” and “day” “night”)‚ this antithesis constructs a sense of pain from separating. I apply synesthesia in line 4‚ connecting the bitterness of feeling to the bitterness of taste‚ to make the pain seem more tangible and real. Reduplicated words are put here in line 5
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This poem dramatizes the qualities the speaker deems essential in the quest to achieve manhood. The speaker is most likely a fatherly figure to a biological son or a person whom he cares about in a paternal way. “If” especially appeals to younger generations because it provides rules that are “inspirational and motivational in their focus on personal integrity and moral behavior” (Perkins). In an instructive manner‚ the speaker urges his son to strive for greatness and success but also humility and
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talkative. He is fat and chump and wearing spectacles. Also he has asthma and we believed that he maybe is an orphan and he is not well educated. 4. What created the ‘scar’ on the island? The falling plane created it. 5. Describe Ralph. (P.15) Ralph is good-looking‚ fit and well-built. He doesn’t care about other kids. He is carefree‚ inconsiderate and fun-loving. 6. How does Ralph react when Piggy tells him that people call him ‘Piggy’? Ralph shrieked with laughter. He jumped up. He danced out into
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“‘Tom‚ I’ve a notion to skin you alive!’” (Chapter 19‚ page 120). The book The Adventures of Tom Sawyer‚ written by Mark Twain‚ is a book about a young life growing up alongside the Mississippi. Tom gets into lots of trouble with Huck and Joe‚ while also going for Becky‚ who he is “engaged”. The main theme of the novel The Adventures of Tom Sawyer is that throughout everything‚ children will stick to their childish thinking. Every once and awhile‚ Tom and his friends forget what they’re doing
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Chapter 20: The Immune System The immune system has two intrinsic systems: 1. Innate (nonspecific) defense system 2. Adaptive (specific) defense system The immune system is a functional system rather than structural; there are no specific immune system organs Pathogen: a disease-causing agent; anything foreign in our body that causes disease Three lines of defense: 1st: external barriers 2nd: several non-specific defense mechanisms 3rd: immunity‚ specific resistance to disease
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