feature that most clearly separates eukaryotes from prokaryotes is the presence of _______ in eukaryotic cells. A) ribosomes B) oxidative phosphorylation C) DNA molecules -D) a nucleus 2. Cytoplasmic organelles are - A) absent in prokaryotic cells; present in eukaryotic cells. B) present in both prokaryotic and eukaryotic cells. C) present in prokaryotic cells; absent in eukaryotic cells. D) absent in both prokaryotic and eukaryotic cells. 3. Eukaryotic chromosomes contain _______
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matter and energy cycle throughout systems. The cycling throughout networks can be explained by the Law of Conservation of Matter and Energy‚ which states that matter and energy cannot be created or destroyed‚ only changed. This cycle applies to many things‚ such as energy cycling through a food web‚ carbon traveling through the biosphere in the carbon cycle‚ and the movement of energy and materials that are used during photosynthesis and cellular respiration. The cycling of matter and energy is essential
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as possible. Many school websites share certain characteristics‚ and some educators have developed guidelines to help schools create the best and most useful websites they can. A properly-designed website with informative content inside it‚ produces an image of credibility for your school. The schools’ websites also contain details about the mind teacher along with other teaching and office employees. The mother and father can search the internet and study through these details. This then enables
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The Production and Consumption of Sugar The production of sugar has shaped our world throughout the centuries. From its humble beginning‚ to its royal induction it has now made a household name as a necessity. It has changed our society into sugar addicts with a never ending urge for sweetness. Production of this craving has lead to an over abundant consumption. Consumption so great that is has defined humans through culture and history. The journey has marked the path of this once less then
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Should the Use of Wind Energy Be Encouraged? Fossil fuels are having great impacts toward nature such as global warming and greenhouse effect. Plus‚ the depletion of it contributes to the rising price of petroleum. Therefore‚ wind power rise as it is a source of clean‚ non-polluting renewable energy (Nash‚ 2008). This type of energy generation provides us with loads of benefits environmentally and economically. On the environmental aspect‚ wind energy does not contribute to pollution as almost
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is a hierarchy of structural complexity‚ beginning with the simplest or chemical level and culminating with the highest level-the whole organism Chemical level – atoms (and their parts)‚ and combinations of atoms called molecures Cellular level – cells are the basic structural and functional units of life. Tissue level – tissue are groups of similar cells (and their intercellular material)‚ which work together toward a specific function. Examples include blood‚ muscle‚ nerves‚ ets mostly a
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called cells’ this in itself unbeknownst to him‚ was the discovery of the fundamental unit of all living things. In 1838 a botanist called Schleiden derived the theory The basic unit of structure and function of all living organisms is the cell.’ Over 150 years later this can be regarded as one of the most familiar and important facts within the biological fields. Drawing of cork cells published by Robert Hooke 1665 The Cell itself and use of Cytology:
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The results from Table 2 and Figure 1 reveal that the rate of photosynthesis increased from a cold temperature to room temperature; however‚ the rate of photosynthesis decreased in the body temperature. This means that the hypothesis was rejected. The rate of photosynthesis did increase‚ but only to a certain point. Based on these results‚ it can be concluded that photosynthesis performs better at room temperature that at cold temperature because thee low temperature slows down the reactions taking
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Energy systems Creatine Phosphate system The creatine phosphate system is an immediate energy system. ATP (adenosine triphosphate) is created without the presence of oxygen for short‚ fast bursts of power and energy. This is the first system used when performing any sporting activity. However this short burst of energy only lasts for a short moment in time for round about 10 seconds. Running events like the 100 meters sprint would be an example of using the creatine phosphate system. During the
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Absence Of A Loved One Do you know how it feels to lose a loved one? Its an aching pain‚ that takes time to drift away. We ask why they had to go away trying to understand why it all happened. Losing a loved one is like having the rug swept from under you. We go about our day just like any other day‚ and we don’t think how anything can be taken away in a blink of an eye. I never thought about the subject of losing a loved one‚ until I forced dreadful news‚ and the unbelievable truth of
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