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• 32.During a secondaiy immune response,(A)selected B cell generates antibody-producing effector B cel
• 28.The function of a mature B cell is to(A) make antibodies against several different antigens(B) ma
• 31-65題’每題2分。70%_:_說明:每題選出一個最適當的選項，標示在答案卡上。每題答對得2分，答錯倒扣0.5分，未作答者 ，不給分亦不扣分。__31.A nursing infant is ab
• 33.Which gland and organ work together to regulate the sodium level in the blood?(A) adrenal gland a
• 34.What happens at the nodes of Ranvier?(A) ions flow through the plasma membrane (B) the myelin she
• 36.A geneticist found that a particular mutation had no effect on the polypeptide coded by a gene. T
• 35.Unlike animals, in plants(A) cell division requires the formation of a cell plate (B) mitosis inv
• 1. 公制三角螺紋之牙角為(A)30(B)29(C)55(D)60 度。
• 37.The tendency for characteristics to be more different in sympatric populations of two species tha
• 38.Which of the following is an INCORRECT statement about cyanobacteria ?(A) they are photoautotroph
• 39.Noncyclic photophosphorylation is different from cyclic photophosphorylation in that(A) noncyclic
• 30.Which plant hormone induces and maintains dormancy?(A) gibberellins (B) auxins(C) cytokinins (D)
• 40.What is the function of calcium ions in muscle contraction?(A)They cause actin and myosin filamen
• 27.Which organ system is present in flatworms?(A) muscular (B) digestive (C) reproductive (D) excret
• 42.Which of the following structures is incorrectly paired with its function?i(A)epididymis - matura
• 41.A graduate student growing plant cells in a laboratory dish wanted to cause them to _, so the gra
• 43.An area of habitat where a population's reproductive success exceeds mortality is(A) the res
• 44.Which of the following is an INCORRECT statement about fungi? (A) they are heterotrophs (B) most
• 46.A biologist isolated a gene from a human cell, attached it to a plasmid, and inserted the plasmid
• 45.Fermentation is essentially glycolysis plus an extra step in which pyruvic acid is reduced to for
• 47.During kidney dialysis, blood and a dialyzing solution are separated by a semipermeable membrane.
• 48.It takes much longer for sex hormones and other steroids to produce their effects than it takes f
• 49.A peak in_triggers ovulation on about the_day of the monthly cycle.[(A) progesterone ... fourteen
• 50.Mitosis and cytokinesis result in the formation of_, meiosis and cytokinesis result in the format
• 53.In a laboratory, a scientist feeds yeast cells sugar made with radioactive carbon and keeps oxyge