資訊推薦

• 6. When a yeast cell releases a mating factor, which of the following DOES NOT occur? (A) diffuses t
• 7. Which of the following about nucleosomes is NOT TRUE? (A) A nucleosome is the basic structural un
• 8. Which of the following about viruses is NOT TRUE? (A) They have both RNA and DNA (B) They use the
• 9. Which of the following statements is a CORRECT distinction between autotrophs and heterotrophs? (
• 10. Which of the following is NOT the correct match of the scientists and their discovery? (A) Erwin
• 11. Much of the animal diversity is a result of the evolution of novel ways to (A) Reproduce (B) Sen
• 12. In addition to seeds, which of the following characteristics is unique to the seed- producing pl
• 13. Which of the following tools of DNA technology is incorrectly paired with its use? (A) DNA polym
• 14. Which of the following statement is the most likely explanation to support these observations?
• 15. Lipid-soluble signaling molecules, such as aldosterone, can diffuse across the cell membranes bu
• 16. A genetic mutation causes frame shift because? (A) a change of a nucleotide in a gene does not a
• 17. Which of the following about anaerobic and aerobic respirations is NOT TRUE? (A) Both use glycol
• 18. Which of the following about enzyme is NOT TRUE? (A) All enzymes are proteins (B) The active sit
• 19. Which of the following descriptions best fits the class of molecules known as nucleotides (A) a
• 20. What is the tertiary structure of a protein (A) order in which amino acids are joined in a polyp
• 21. What is the advantage of light microscopy over electron microscopy (A) light microscopy provides
• 22. Telomere shortening puts a limit on the number of times a cell can divide. Research has shown th
• 23. Which of the following consists of nine doublets of microtubules surrounding a pair of single mi
• 24. What is the difference between pinocytosis and receptor-mediated endocytosis (A) pinocytosis bri
• 25. Why the sodium-potassium pump (ATPase) is called an electrogenic pump (A) It pumps equal quantit
• 26. Besides turning enzymes on or off, what other means does a cell use to control enzymatic activit
• 27. The synthesis of ATP by oxidative phosphorylation, using the energy released by movement of prot
• 28. Why are C4 plants able to photosynthesize with no apparent photorespiration? (A) They do not par
• 29. Which of the following sequences correctly represents the flow of electrons during photosynthesi
• 30. Which process is most directly driven by light energy (A) creation of a pH gradient by pumping p