1. Viruses can vary with respect to all of the following characteristics except _____. ( Overview) Your Answer: | the presence or absence of a membranous envelope | | Correct Answer: | the presence or absence of metabolic machinery | | No. This is a difference among viruses. 2. A microbiologist analyzes chemicals obtained from an enveloped RNA virus that infects monkeys. He finds that the viral envelope contains a protein characteristic of monkey cells. Which of the following is
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down a civilization or culture into seven components. For the first two chapters‚ go through the AP World History textbook‚ The Earth and Its People‚ and analyze each of the five ancient civilizations. Use the provided questions as a guide. Not every question will be answered for each civilization. Include specific and general information. Then complete one each for the classical civilizations and Han China. Please Note: I am not expecting you to rewrite the textbook‚ but make sure you cover
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__________________________________________________________________ This chapter will prepare students to trace the development of television describe the evolution of the networks explain the impact of the Telecommunications Act of 1996 detail the implications of the digital age for broadcast television explain how television ratings are formulated describe the departments of the television industry and how programs are produced Chapter main points Electronic television developed during the 1930s. After
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1. Plant Nutrition Nine macronutrients of plants: C‚ H‚ N‚ O‚ P‚ S‚ K‚ Ca‚ Mg Components of soil: Horizon a (topsoil): humus‚ leaf litter‚ decaying matter Horizon b (middle): minerals but no humus Horizon c (bottom): rock Most common nutrient deficiencies: N‚ P‚ K 2. Transport of Water and Minerals in Xylem Xylem transports water and minerals from the roots to the leaves Plant cells include: cell wall‚ plasma membrane‚ nucleus‚ chloroplasts and central vacuole Soil to root Water is absorbed
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Treatment | Why? | How? | What? | Pros | Cons | Ovulation induction(OI) | OI is used when the female fails to ovulate this may be due to different reasons. | Ovulation is stimulated by FSH and LH. OI treatment synthetically provides FSH and LH if the OI is caused by a direct problem with the ovary then OI can not be used as treatment. | 1. Clomiphene-increases FSH levels stimulates the P.gland 2. Gondatrophin given by injection increases LH and FSH levels | 1. Possibility of fertilisation
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AP® BIOLOGY 2009 SCORING GUIDELINES (Form B) Question 3 Water is essential to all living things. (a) Discuss THREE properties of water. (b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a): • • • the role of water as a medium for the metabolic processes of cells the ability of water to moderate temperature within living organisms and in organisms’ environments the movement of water from the roots to
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AP EUROPEAN HISTORY NOTES- Filled with silliness and inside jokes‚ enjoy at your leisure :) If something is in [] brackets‚ it is only written in there for our pleasure‚ ignore it if you are looking for actual information. • 7: The Renaissance and Reformation- 1350-1600 Key: UMSUniversal o Georgio Vasari- Rinascita=rebirth (like Renaissance) painter/architect Male Suffrage o Individualism: People sought to receive personal credit for achievements‚ unlike medieval ideal of “all glory goes to
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An ecosystem is a biological environment consisting of all the organisms living in a particular area‚ as well as all the nonliving or abiotic‚ physical components of the environment with which the organisms interact‚ such as air‚ soil‚ water and sunlight. In a typical ecosystem‚ plants and other photosynthetic organisms are the producers that provide the food. (Leibold) Ecosystems can be permanent or temporary and they usually form a number of food webs. Examples of ecosystem include: Marine Ecosystems:
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Circulatory systems Closed circulatory systems: • Blood leaves heart under pressure to arteries then arterioles then capillaries. • Capillaries come in large numbers. They exchange substances between the blood and cells. • After passing through capillaries‚ blood goes back to the heart via veins. • Valves in the veins ensure that blood only flows in one direction. Single circulatory system: • Heart pumps deoxygenated blood. • Gaseous exchange (diffusion of CO2 from blood to H2O and diffusion
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1. The benefits of breastfeeding for the infant it provides the appropriate composition and balance of nutrients with high biovailability‚ provides hormones that promote physiological development‚ improves cognitive development‚ protects against a variety of infections‚ may protect against same chronic diseases such as diabetes (both types)‚obesity‚ asthma later in life‚ and protects against food allergies. For the mother it contracts the uterus‚ delays the return of regular ovulation‚ conserves
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