資訊推薦

• 21. About the phytochrome, which one of the following is the best answer?(A)Pr and Pfr are the same
• 22. Polysaccharide _____ is an important ECM component for the exoskeleton of many insects and shell
• 23. The heart is a(n) ________ composed mainly of ________ tissue?(A)tissue, endothelial(B) tissue,
• 24. Which one of the following proteins is involved in synthesizing messenger RNA in eukaryotes?(A)D
• 25. Which one of the following is the best characteristic of microRNAs (miRNAs)?(A)MicroRNAs are sho
• 26. Bacteria are grown in isotopic 15N (heavy) medium and then transferred to 14N (light) medium and
• 27. Where would one expect to find the most abundant/active telomerase?(A)Male germ cells that give
• 28. ______ is a type of physical mutagens could induce thymine dimer mutations.(A)Gamma rays(B) X-ra
• 29. Which one of the following is the cancer of epithelial cells?(A)Sarcoma.(B) Myeloma.(C) Leukemia
• 30. When cancer cells can migrate to other parts of the body, they are always said to be____.(A)beni
• 31. Humans have __________ different types of autosomes.(A)11(B) 22(C) 33(D)44(E)46
• 32. Meiosis I produces ________, and meiosis II produces _______ cells.(A)2 diploid, 2 haploid(B) 2
• 33. Sister chromatids separate during _________.(A)metaphase of meiosis I(B) metaphase of meiosis II
• 34. What enzyme does the lacZ gene encode?(A)DNase.(B) Carbonic anhydrase.(C) β-galactosidase.(D)Glu
• 35. Which one of the following is the best statement about genomic library and cDNA library?(A)A cDN
• 36. The Hardy-Weinberg equation stats that p2 + 2pq + q2 = 1; the genotype frequency of heterozygote
• 37. Animals that lack a vertebral column are known as________.(A)invertebrates(B) inarticulates(C) s
• 38. Which one of the following hormones are not derived from cholesterol?(A)Testosterone.(B) Melaton
• 39. ________ is a water-soluble hormone derived from the nervous system that regulates blood volume
• 40. Which of the following correctly describes the path of urine from formation to excretion in them
• 41. The major respiratory centers that control ventilation of the lungs in mammals are located in th
• 42. The change in the concentration of _______ is the major factor that affects the breathing contro
• 43. In vertebrates with four-chambered hearts, the ____ receives oxygenated blood directly from the
• 44. The most possible chemical compound for increasing cardiac output when animals are exercising is
• 45. The stomach is majorly surrounded by which type of muscle?(A)Skeletal muscle.(B) Smooth muscle.(