62. Which of the following essential nutrients plays an essential role in the opening and closing of
63. All of the following are primary functions of flowers except(A) pollen production(B) photosynthe
64. The plant hormone involved in aging and ripening of fruit is(A) auxin(B) ethylene(C) florigen(D)
67. The mammalian trachea and esophagus both connect to the(A) large intestine.(B) stomach(C) pharyn
68. In which of the following would you expect to find an enlarged cecum?(A) rabbits, horses, and he
69. Which of the following would be described as a portal system?(A) an area connecting arterioles t
70. Which of the following are the only vertebrates in which blood flows directly from respiratory o
71. How do antibodies of the different classes IgM, IgG, IgA, IgD, and IgE differ from each other ?(
72. Which of the following are T cells of the immune system?(A) CD4, CD8, and plasma cells(B) cytoto
73. The advantage of excreting wastes as urea rather than as ammonia is that(A) urea can be exchange
74. What is the main nitrogenous waste excreted by birds?(A) ammonia(B) nitrate(C) nitrite(D) uric a
75. Which of the following does not represent a chemical signal?(A) movement of a signal from one en
76. The hypothalamus controls the anterior pituitary by means of(A) releasing hormones(B) second mes
77. Internal and external fertilization both(A) produce zygotes(B) occur only among invertebrates(C)
78. Females of many insect species, including honeybee queens, can store gametes shed by their matin
79. Contact of a sperm with signal molecules in the coat of an egg causes the sperm to undergo(A) mi
1. When NaCl salt dissolve in water, which one of the following conditions is favorable?(A) Increase
下列第 1-3 題，請依據附圖所示的 15 種生化分子為依據回答下列問題。每個分子可以使用一次、不止一次或沒有使用。【題組】1. 關於具有親水性和疏水性，且屬於細胞膜的主要成分，下列何者最正確？(A)