BiologyMod2Exam.docx - Current Location 1 Principles of Biology(BIO102.SP13.ZB 2 Assignments 3 4 Module 2 Quizzes Exam and Study Materials 5 Review Test

BiologyMod2Exam.docx - Current Location 1 Principles of...

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Current Location 1. Principles of Biology (BIO102.SP13.ZB) 2. Assignments 3. ... 4. Module 2 Quizzes, Exam, and Study Materials 5. Review Test Submission: Module 2 Exam - Part 1 Multiple Choice/True/False Skip to Course Content Skip to Top Frame Tabs Menu Management Options Principles of Biology (BIO102.SP13.ZB) Home Page Announcements Staff Info Syllabus & Resources Assignments Discussion Board
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My Grades Send Email Apps Review Test Submission: Module 2 Exam - Part 1 Multiple Choice/True/False Skip to Course Menu Skip to Top Frame Tabs Content User Rebekah Breitkreutz Course Principles of Biology (BIO102.SP13.ZB) Test Module 2 Exam - Part 1 Started 2/6/13 11:35 AM Submitted 2/6/13 12:18 PM Status Completed Attempt Score 35 out of 40 points Time Elapsed 43 minutes out of 1 hour. Instructions Question 1 1 out of 1 points Which of the following is not one of the most common elements in living things? Answer Selected Answer: iron Correct Answer: iron Response Feedback: Six elements of matter make up the majority of body weight of most organisms. There presence and properties are essential to the uniqueness of living things.
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Question 2 1 out of 1 points A covalent bond occurs when ________. Answer Selected Answer: electrons are shared between two atoms to complete their octets Correct Answer: electrons are shared between two atoms to complete their octets Response Feedback: A covalent bond results when two atoms share electrons in order to have a completed outer shell (octet). Question 3 1 out of 1 points Which of the following is a property of acids? Answer Selected Answer: release hydrogen ions when dissolved in a liquid Correct Answer: release hydrogen ions when dissolved in a liquid Response Feedback: Acids have a sharp sour taste, pH below 7.0, and release hydrogen ions in water. Bases have a bitter taste, feel slippery, pH above 7.0, and release hydroxide ions when dissolved in water. Question 4 0 out of 1 points Which of the following is NOT a property of water? Answer Selected Answer: It is cohesive. Correct Answer: It is denser when frozen than when liquid. Response Feedback: Water has four key properties that support life: solvency, cohesion, surface tension, high heat capacity, and varying density.
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Question 5 1 out of 1 points Which of the following explains the events occurring when water boils? Answer Selected Answer: Hydrogen bonds are broken between neighbor water molecules. Correct Answer: Hydrogen bonds are broken between neighbor water molecules. Response Feedback: Hydrogen bonds link water molecules together. As they absorb heat the bonds begin to break causing water to enter into gaseous state and evaporate into the environment. Question 6 1 out of 1 points Which of the following would be an example of the value of water's heat capacity?
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