Paper 1 Chapter 1: Cell structure May/June 03 1 An actively growing cell is supplied with radioactive amino acids. Which cell component would first show an increase in radioactivity? A Golgi body B mitochondrion C nucleus D rough endoplasmic reticulum 2 Which pair of organelles has internal membranes? A chloroplasts and mitochondria B chloroplasts and nuclei C mitochondria and ribosomes D nuclei and ribosomes 3 Which combination is found in a prokaryotic cell? Endoplasmic reticulum DNA RNA Nucleus
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Echinoderm Echinoderm diversity Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Superphylum: Deuterostomia Phylum: Echinodermata Klein‚ 1734 Subphyla & Classes Homalozoa † Gill & Caster‚ 1960 Homostelea † Homoiostelea † Stylophora † Ctenocystoidea † Robison & Sprinkle‚ 1969 Crinozoa Crinoidea Paracrinoidea † Regnéll‚ 1945 Cystoidea † von Buch‚ 1846 Asterozoa Ophiuroidea Asteroidea Echinozoa Echinoidea Holothuroidea Ophiocistioidea † Helicoplacoidea †
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Essay: Goals are desires or objectives that people want to achieve. Goals have been proved to benefit people of all ages in many ways. To begin with‚ they make sure that people maintain sight of what they want to reach in the long run. They also motivate people in the short run. Finally‚ they help people manage and organize their time. The types of goals that are set by people greatly vary all around the world. To begin with‚ people who live in small budget countries‚ such as Kenya‚ usually
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Cited: * -Shefferly‚ Nancy. University of Alabama BSC 117 Laboratory Manual Spring 2010. Tuscaloosa‚ AL: Shefferly‚ 2010. * -Cambell‚ Neil‚ Jane Reece‚ Lisa Urry‚ Michael Cane‚ Steven Wasserman‚ Peter Minorsky‚ and Robert Jackson. Biology. 8th ed. San Francisco‚ CA: Benjamin Cummings Inc.‚ 2008. * Curds‚ C.R.‚ Cockburn‚ A. 1968. Studies on the Growth and Feeding of Tetrahymena pyriformis in Axenic and Monoxenic Culture. Journal of General Microbiology 54:343-358.
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to be a solid plan in place to transform them from fantasy to reality. For people like me who tend to prioritize and plan ahead‚ the task is simple. After carefully thinking about the goals I have‚ I have concluded that I have one main goal with a short term goal that in turn will open the door to larger goals. By surviving my freshman year of college with at least a 3.85 grade point average (GPA) while working a full time job‚ I can boost my confidence and build up a solid foundation for future
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Which of the following would be most effective as a feedback mechanism Reduced concentration of product Increased concentration of substrate A change in pH Temporary binding of a non-substrate molecule in the active site Which of the following statements is accurate in describing the activity of the lactase enzyme Lactase can function equally effectively at many different pH levels The shape of lactase does not change during the reaction Lactase is converted to glucose and galactose by the reaction
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Biology Honors Final Exam Review Study Guide A. Intro Unit * Characteristics of life (DR.CHARGE) * DNA * Directs protein synthesis * Reproduce * Divides in mitosis (asexual reproduction) * Cells * Homeostasis * The process by which cells maintain constant internal condition (water‚ temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food
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Big Idea 2 Biological systems utilize free energy and molecular building blocks to grow‚ to reproduce and to maintain dynamic homeostasis. Living systems require both free energy and matter to maintain order‚ grow and reproduce. Organisms employ various strategies to capture‚ use and store free energy and other vital resources. Energy deficiencies are not only detrimental to individual organisms; they also can cause disruptions at the population and ecosystem levels. Biological systems must both
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evolution? The roles of natural selection and mutations in evolution are that natural selection leads to adaptations which help populations survive‚ and mutations generate the variation needed by natural selection. 4. What are the goals of taxonomy? The goals of taxonomy are to name species and classify them based on evolutionary relationships. 5. List and describe the four main groups of eukaryote. Plants – multicellular‚ photosynthetic life‚ producers‚ autotrophs Animals – multicellular
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Why are goals necessary in life? Goals are objectives set for one to achieve. They come in different types and different length of time. One can have a personal‚ academic or career goal along with long term or short term goals. There are many goals I would like to achieve. I have created my long term personal‚ academic and career goals. My long term personal goal I have set for myself is to stay connected to my parents and siblings. I also want to have a family of my own. My academic long term goal
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