75. The data were obtained from a study of the length of time spent in each phase of the cell cycle by cells of three eukaryotic organisms designated beta, delta, and gamma. Of the following, the best conclusion concerning the difference between the S phases for beta and gamma is that
(A) gamma contains 48 times more DNA than beta.
(B) beta and gamma contain the same amount of DNA.
(C) beta contains more RNA than gamma.
(D) beta is a plant cell and gamma is an animal cell.
(E) gamma contains more DNA than beta

71. Which of the following is the CORRECT sequence that occurs during the excitation and contraction of a muscle cell? 1. Calcium is released and binds to the troponin complex. 2. Tropomyosin shifts and unblocks the cross-bridge binding sites. 3. Transverse tubules depolarize the sarcoplasmic reticulum. 4. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP. 5. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane. (A) 2, 1, 3, 5, 4 (B) 2, 1, 3, 4, 5 (C) 5, 3, 2, 4, 1 (D) 5, 3, 1, 2, 4 (E) 5, 3, 2, 1, 4

72. If a Drosophila female has a homozygous mutation for a maternal effect gene, (A) only her male offspring will show the mutant phenotype. (B) her offspring will show the mutant phenotype only if they are also homozygous for the mutation. (C) all of her offspring will show the mutant phenotype, regardless of their genotype. (D) only her female offspring will show the mutant phenotype. (E) she will not develop past the early embryonic stage.

73. Which of the following poses the greatest potential threat to biodiversity? (A) replanting after a clear cut, a monoculture of Douglas fir trees on land that consisted of old growth Douglas fir, western cedar, and western hemlock. (B) trapping and relocating large predators, such as mountain lions, that pose a threat as they move into areas of relatively dense human populations. (C) importing an Asian insect into the United States to control a weed that competes with staple crops. (D) allowing previously used farmland go fallow and begin to fill in with weeds and then shrubs and saplings. (E) releasing sterilized rainbow trout to boost the sport fishing of a river system that contains native brook trout.

74. "Primary" succession is succession that (A) involves establishment of primary producers. (B) leads to establishment of a climax community dominated by primary producers. (C) occurs on newly exposed geologic substrates, not organic soil. (D) occurs where organic soils have been exposed but not destroyed by disturbance. (E) occurs after fire or agricultural abandonment.

1. 關於2009年爆發之全世界H1N1新型流感大流行，以下敘述何者正確？ (A)因為疫情不斷升溫，台灣於2009年7月後，將H1N1新型流感升級為第一類傳染病，必須於24小時內通報。 (B)H1N1新型流感所造成之死亡率非常高，約接近15-20%。 (C)於發病48小時內使用抗病毒藥物，效果較好。 (D)可用來治療的有效藥物為amatadine及oseltamivir。 (E)快速篩檢A型流感抗原，敏感性超過九成，偽陰性很罕見。

2. 衛生署曾於96年7月發函，兒科診療的年齡為？ (A)12歲以下。 (B)15歲以下。 (C)18歲以下。 (D)20歲以下。 (E)25歲以下。

3. 下列何者對預防受害救濟制度描述為非？ (A)最高給付為一千萬元。 (B)若排除因預防接種造成傷害者，則不給付。 (C)受害救濟基金來自廠商。 (D)受害人向接種地方衛生局提出申請。 (E)審議小組包含醫藥人士。

4. 對H1N1新流感的敘述，何者為非？ (A)是由RNA病毒引起。 (B)大多數人均無免疫力。 (C)病毒毒性等同SARS病毒。 (D)有抗病毒藥劑可用。 (E)孕婦為高危險群之一。

5. 三歲小孩的理學檢查中何者為正常？ (A)Moro 反射呈陽性。 (B)Babinski 反射呈陽性。 (C)右肋骨下緣2cm處肝臟觸知。 (D)舒張血壓86mmHg。 (E)呼吸次數40/分。

6. 有關兒童青少年期肥胖，何者不正確？ (A)父母肥胖為最強預測指標。 (B)高出生體重為預測指標。 (C)代謝症候群只出現於成年人，約30%。 (D)低出生體重為導致成人期軀幹肥胖(central obesity)的危險指標。 (E)非酒精性脂肪肝見於10-25%嚴重肥胖的青少年。