資訊推薦

• 6.下列何者是人體內最小的胺基酸 (A)Glycine(甘氨酸) (B)Cysteine(半胱胺酸) (C)Arginine (精氨酸) (D)Lysine(離胺酸)
• 7.下列哪個称不是DNA在複製時需要用到了酶 (A)DNA聚合醇(DNA Polymerase) (B)DNA連接酸(DNA ligase) (C)DNA導引酸(DNA primase) (D)DNA
• 2. Which of the following group is most UNLIKELY to be sold in a seafood market in Taiwan? (A) Hexap
• 3. Among the groups of animals listed below, how many of them are NOT insects? Beetles(甲蟲);butterfli
• 4, If a turtle and a dragonfly larva both eat the same species of fish, what is the relationship bet
• 5. The laryngeal nerve is 450 cm long in giraffes because (A) a giraffe's throat is located far
• 6. Which of the following organisms has a gastrovascular cavity? (A) hydra (B)earthworm (C) clam (D)
• 7. A characteristic of the circulatory system of arthropods is (A) lack of a heart. (B) lack of bloo
• 8. Although birds and mammals descended from different ancestors, they both have a four-chambered he
• 9. To conserve precious salts, freshwater fish (A) drink large amounts of water and produce small am
• 10. Which statement about hydrostatic skeletons is TRUE? (A) Hydrostatic skeletons are nonflexible.
• 11. Which statement below about animals is TRUE? (A) Dinosaurs are extinct. (B) Lungfish are more cl
• 12. You are cleaning out an old lab freezer and find a tube that contains the ground-up remains of a
• 13. DNA viruses differs from RNA viruses in that______. (A) only DNA viruses have the genetic materi
• 14. The three domains of organisms are the (A) Archaea, Bacteria, and Protista (B) Bacteria, Eukarya
• 15. The nucleus of plant cells most likely evolved from (A) a chloroplast. (B) a mitochondrion. (C)
• 16. Prokaryotic flagella differ from eukaryotic flagella in that prokaryotic flagella (A) are surrou
• 17. The cell walls of gram-positive and gram-negative Bacteria differ in that gram-positive species
• 18. Which of the following cells or structures are involved in the asexual reproduction of fungi? (A
• 19. Which of the following statements about algal blooms is FALSE? (A) they are associated with wate
• 20. In the land plants, matrotrophy refers to the (A) attraction of sperm by the egg. (B) nourishmen
• 21. In the evolution of vascular plants, there is a trend toward the (A) above-ground parts becoming
• 22. Which of the following statements about gymnosperms is FALSE? (A) gymnosperm means \"naked
• 23. The most important pigments in floral coloration are_____；the red and orange pigments of flowers
• 24. Ectomycorrhizae differ from endomycorrhizae in that the fungal component of ectomycorrhizae (A)