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6. More than 80% of the world's staple food comes from _____. (A) bryophytes (B) monocots (C) l
問題詳情
6. More than 80% of the world's staple food comes from _____.
(A) bryophytes
(B) monocots
(C) lycophytes
(D) eudicots
(E) gymnosperms
參考答案
答案:B
統計:A:1,B:1,C:0,D:1,E:0
難度:計算中
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5. What principle does nonrandom mating, such as assortative mating, violate in the context of popul
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7. In plants, lateral root formation is initiated from _____. (A) cortex (B) endodermis (C) epidermi
資訊推薦
8. Red tides in water bodies are caused by _____. (A) bacteria (B) cyanobacteria (C) dinoflagellates
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10. Alfred Hershey and Martha Chase used radioactive phosphorus to trace the DNA of T2 phage in infe
11. Sleeping pills like benzodiazepines mainly induce calmness and sedation by enhancing which neuro
12. Which of the following molecules and ions does NOT act as secondary messenger in signaling pathw
13. Non-flowering vascular plants include _____.① angiosperms ② ferns ③ gymnosperms ④ liverworts ⑤ m
14. The characteristics or structures only found in angiosperms but NOT in gymnosperms include _____
15. In one of Mendel's experiments, he crossed pea plants that were true-breeding for violet fl
16. The prosthetic group of mitochondrial NADH dehydrogenase is _____. (A) FMN (B) FAD (C) NADH (D)
17. Which of the following statements is FALSE? (A) Two-dimensional electrophoresis separates protei
18. A sequence of amino acids in a certain protein is found to be –Ser–Gly–Pro–Gly–. The sequence is
19. Concerning human prion protein amyloid, the protein aggregation is due to the formation of _____
20. Which amino acids in proteins can undergo post-translational farnesylation? (A) cysteine (B) gly
21. Which of the following vitamins enter the cell nucleus to bind to nuclear receptor and to regula
22. In the presence of an enzyme inhibitor, the Vmax decreases and the apparent Km decreases as well
23. Which of the following proteins is NOT involved in DNA replication? (A) nuclease (B) gyrase (C)
24. Which non-histone chromosomal protein helps holding sister chromatids together immediately after
25. Which of the following activities of E. coli DNA polymerase I allows it to remove RNA primers du
26. Which glycosidic bond between two monosaccharide molecules is FALSE? (A) α(1→1) (B) α(1→4) (C) α
27. Because skeletal muscle do not contain _____, glycogen in skeletal muscle cannot be a source of
28. Which of the following conditions concerning de novo purine ribonucleotide synthesis is FALSE? (
29. Which compound is NOT an intermediate for the biosynthesis of cholesterol? (A) mevalonate (B) is
30. Which of the following statements about lipoproteins is TRUE? (A) Chylomicrons carry the dietary
31. In evolutionary biology, what is adaptive radiation, and where is it most likely to occur? (A) I
32. In the life cycle of true plants, the _____ are diploid.① gamete ② gametophyte ③ spore ④ sporoph