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BSC 2010 Exam 1 Review Sheet

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BSC 2010 Exam 1 Review Sheet Explain how water molecules dissociate. - ✔✔Typically you have 2 water molecules that dissociate into a negatively charged hydroxide ion (OH-) and a positively charg ... ed hydronium ion (H3O+). 2H2O <--> OH- + H3O+ A more simplified view of this dissociation goes like H2O <--> OH- + H+ This dissociation and reformation greatly affects biochemistry. Changes in their concentrations can greatly affect a cell's proteins and other complex molecules. Water molecules disassociate when the oxygen does not make its usual two covalent bonds but one or three. This happens in pure water. List 8 characteristics of life as it is known on Earth. Which of the following passes all 8 characteristics: a human, a bacterium, a virus, and a fictional robot/android. - ✔✔-Complex -Regulated -Responsive -Grows -Well adaptive -Reproduce -Use energy -Carry instructions Human and bacterium List the organisms that are classified as prokaryotes and organisms that are classified as eukaryotes, as shown on the evolutionary tree slide. - ✔✔Prokaryotes: -Domain Bacteria -Domain Archaea [Show More]

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