Health Care > EXAM > Bio 140 Final Exam| 360 QUESTIONS| WITH COMPLETE SOLUTIONS (All)
What are the steps in the scientific method? Correct Answer: -exploration and discovery -testing ideas -community analysis and feedback -benefits and outcomes The human body consist mainly o... f what elements? Correct Answer: oxygen, carbon, and hydrogen What is the central dogma? Correct Answer: DNA -> RNA -> Protein When simple compounds are combined into more complex molecules, the entropy inside the cell __________. Correct Answer: decreases When energy is released as heat, what happens to the entropy? Correct Answer: the entropy increases What two elements make up 99% of matter? Correct Answer: hydrogen and helium What is the first law of thermodynamics? Correct Answer: energy can neither be created nor destroyed; it can only be transformed from one form to another What is the second law of thermodynamics? Correct Answer: the degree of disorder in the universe tends to increase The amount of disorder in a system is the ________ of the system. Correct Answer: entropy What is the main difference between Eukaryotes and Prokaryotes? Correct Answer: prokaryotes do not have a nucleus Define metabolism Correct Answer: chemical reactions by which cells convert energy from one form to another and build and breakdown molecules What is an ion? Correct Answer: a charged atom [Show More]
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