BIO101 Pre-Quiz 2/Chapters 3-4 1. The activity that takes place on ribosomes is?. 2. A cell membrane is composed mostly of? 3. The interior of a cell membrane is oily because? 4. Which of the following cellular processes requires the greatest expenditure of cellular energy? 5. Centromeres pull apart during? 6. Finish this sentence: The active site of an enzyme is the part that _______________ . 7. The part of an ATP molecule that holds the energy used in metabolism is? 8. A DNA strand has the sequence T-C-G-A-T-C. The sequence of the complementary strand is ____________ . 9. The complementary strand formed by RNA from the above DNA strand has the sequence ______________ . 10. DNA replication results in two identical daughter molecules each consisting of one old (original) strand and one newly-synthesized strand. True or False? 11. DNA is found in the cell membrane. True or False? 12. Chromosomes are long strands of DNA. True or False? 13. Nearly every cell in an organism had a complete set of DNA. True or False? 14. DNA is single-stranded. True or False? 15. If water moves out of a cell into a solution, the solution is hypertonic. True or False? 16. Identify the organelle pictured. 17. Identify the best definition of diffusion. 18. The movement of water from an area of high water concentration to an area of low water concentration is called? 19. What is a semi-permeable membrane? 20. Finish this sentence: A cell in a hypotonic solution ___________________. 21. Finish this sentence: When the process of diffusion reaches an equilibrium state ____________________ 22. The smell of ammonia spread throughout a room would be an example of osmosis. True or False? 23. The major difference between prokaryotic and eukaryotic cells is? 1 Questions 24-25: In the illustration below describe the movement of particles (Diffusion or Osmosis), and where the areas of High and Low concentration are located: 2