NES General Science (311): Practice & Study Guide Final Exam

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Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Question 1 1. During the _____ of mitosis, duplicated chromosomes condense and become more tightly wound. Then a mitotic spindle forms on the edges of the dividing cell.

Question 2 2. Which chemical elements are in the order in which each was defined as a pure element?

Question 3 3. When two atoms connected by a covalent bond demonstrate different attractions for the electrons in the bond, they produce an unevenly distributed charge which results in a _____. In this sort of bond, one end of the molecule is slightly negatively charged and the other end slightly positively charged.

Question 4 4.

Which of the following experiments uses a selectable marker?

I. An experiment in which genetically modified bacteria are blue and all other bacteria are white.

II. An experiment in which the bacteria that has been genetically modified to produce the human insulin protein is identified by checking the DNA sequence.

III. A fruit fly experiment in which a lethal gene kills all progeny except those of the desired genetic makeup.

Question 5 5. When the reaction quotient is less than the equilibrium constant, in which direction will the reaction proceed?

Question 6 6. What is the correct electron configuration for an atom of sodium (Na)?

Question 7 7. Ed works for Stellar Solar Installations, Ben works for the DEA (Drug Enforcement Agency), and Sam is a self-employed contractor for an online education company. Which of these employees is subject to the rights set forth by OSHA?

Question 8 8. What is the biggest difference between a liver cell and a brain cell?

Question 9 9. Sodium-potassium pumps help maintain membrane polarization by _____.

Question 10 10. Why is the Law of Conservation of Mass useful in chemistry?

Question 11 11. What scientist is credited with the idea that early life on Earth formed through a series of reactions that made simple compounds gradually more complex?

Question 12 12. What is the significance of the value 9.8 m/s^2?

Question 13 13. When did the Scientific Revolution take place?

Question 14 14. Which of the following is NOT true regarding solubility curves?

Question 15 15. Which single nucleotide makes up the 5' cap?

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NES General Science (311): Practice & Study Guide Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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