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BIOL 103-7380 FINAL EXAM UNIVERSITY OF MARYLAND UNIVERSITY

BIOL 103-7380 FINAL EXAM UNIVERSITY OF MARYLAND UNIVERSITY

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BIOL 103-7380 FINAL EXAMUniversity of Maryland University CollegeThe following general directions apply to this exam: This exam is worth a total of 100points. Multiple choice questions #1-45 are worth 1 point each. Multiple choice questions#46-50 are worth 2 points each. Choose 5 of 7 essay questions #51-57, which are worth 9points each. Please provide answers on the answer sheets provided at the end of the exam.I recommend that you print out the exam, answer the questions, then copy the answersonto the answer sheets. Please submit only the answer sheets into your assignment folderby 11:59 PM Eastern Standard Time Sunday 17 April.As in all assignments, I trust that your answers are your own work.GOOD LUCK!Thanks for taking the course, D Riege**********************************************************************MULTIPLE CHOICE QUESTIONS – 1 POINT EACH – 45 POINTS TOTAL: On theanswer sheet, indicate the letter that represents the best answer to each of the multiplechoice questions below.1. Which of the following includes all the others?A) atomB) cellC) organismD) population2. In science, a hypothesis must be A) testable B) derived from a theoryD) able to be proven absolutely trueC) a known fact3. A chlorine atom has 17 protons, 18 neutrons, and 17 electrons. The atomic number ofchlorine isA) 8 B) 17 C) 35D) 524. If you place the probe of a pH meter in lye or sodium hydroxide (NaOH), it will readpH 14. Sodium hydroxide is A) an acid B) neutralC) a base5. This polysaccharide forms fibers that are a major component of plant cell walls:A) glucose B) starch C) cellulose D) glycogen6. Which of these types of molecules contain nitrogen?A) polysaccharides B) proteins C) steroids7. Fats contain more energy per gram than carbohydrates or proteins becauseA) fat molecules contain a lower percentage of oxygen atomsB) fat molecules contain a lower percentage of hydrogen atomsC) fat molecules contain a lower percentage of carbon atomsD) fat molecules contain a higher percentage of adipose atoms8. Prokaryotic cells, with no nucleus or membranous organelles, are found inA) animals B) bacteria C) fungi D) plants9. The main function of a ribosome is to A) extract energy from glucoseB) synthesize glucoseC) store food in the form of fatD) synthesize proteins

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