BIOL 250 Week 3 Quiz 3 Questions and Answers American Public University

1. Question: Passive transport resembles which of these processes the most? 2. Question: The cell membrane is composed of numerous proteins, some of which allow for passage of material in and out of the cell. Which of the following proteins allow large molecules to pass through passively? 3. Question: Which of the following structures could be found within the nucleolus? 4. Question: Which nitrogenous base found in DNA and RNA pairs with guanine? 5. Question: Which stem cells have the most potential to differentiate into any cells needed by an organism? 6. Question: Which of the following is a function of the rough ER? 7. Question: Which of the following phases is characterized by preparation for DNA synthesis? 8. Question: Why is DNA replication said to be "semiconservative"? 9. Question: Since the liver cells detoxify drugs, they most likely have an abundance of ___________. 10. Question: Transcription is the transfer of genetic information from: 11. Question: What is a primary function of tumor suppressor genes? 12. Question: In which phase are the chromatids aligning across the center of the cell? 13. Question: The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called _________. 14. Question: Which type of stem cell gives rise to red and white blood cells? 15. Question: A ____________ is a membranous, bean-shaped organelle that is called the "energy transformer" of the cell. 16. Question: A molecule (or region of a molecule) that is attracted to water is known as a(n) _________ molecule. 17. Question: The process when the cytoplasm actually divides into two separate cells is named ____________. 18. Question: How many bases found on a gene translate for any one amino acid? 19. Question: Which of the following sequences on a DNA molecule would be complementary to GCTTATAT? 20. Question: The largest and most prominent of a cell's organelles is its _________. 21. Question: What is the name of the process during which a chain of amino acids called a polypeptide is synthesized? 22. Question: Transcription and translation take place in the_______ and_______, respectively. 23. Question: Which of the following is NOT a difference between DNA and RNA? 24. Question: The most direct method by which an ion or molecule can move across a cell membrane is by ___________. 25. Question: DNA, and the genes found on the strands of DNA, contain information necessary for synthesizing which type of material?