Health Care > EXAM > JMU Bio 140 Exam 1 | 186 Questions with 100% Correct Answers (All)
JMU Bio 140 Exam 1 | 186 Questions with 100% Correct Answers
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What are the steps in the scientific method? - -exploration and discovery -testing ideas -community analysis and feedback -benefits and outcomes Define Theory - A well-substantiated explanation of som... e aspect of the natural world, based on a body of gives that have been repeatedly confirmed The earth's crust consist mainly of what elements? - oxygen and silicon The human body consist mainly of what elements? - oxygen, carbon, and hydrogen Are viruses made of cells? - no What is the central dogma? - DNA -> RNA -> Protein When simple compounds are combined into more complex molecules, the entropy inside the cell __________. - decreases When energy is released as heat, what happens to the entropy? - the entropy increases Humans and chimpanzees share _______% of our DNA. - 98.8 What do nodes do? - indicate a common ancestor What makes a good hypothesis? - a prediction about observations not yet made and can be tested by experiment or further observation What are the characteristics of life? - -complexity -ability to change in response to the environment -ability to reproduce -capacity to evolve [Show More]
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