資訊推薦

• 67. 照明控制可以達到節能與省電費的好處，下列何種方法最適合一般住宅社區兼顧節能、經濟性與實際照明需求？ (A)走廊 與地下停車場選用紅外線感應控制電燈(B)全面調低照明需求(C)晚上關閉所有公共
• 68. 肘線之代號為：(A)E.L.(B)K.L. (C)H.L. (D)W. L.
• 69. 下列哪一個圖形是下圖裙型的平面圖？(A)(B)(C)(D)
• 8.What is the sequence of action for a protein hormone on its target cells? (A)Hormone -＞ intracellu
• 9.Which of the following statements concerning eukaryotic cell cycle control is correct? (A)Cell cyc
• 10.Homologous chromosomes move toward opposite poles of a dividing cell during (A)meiosis I. (B)mei
• 11.What is the source of the extra chromosome 21 in an individual with Down syndrome? (A)Deletion in
• 12.Which of the following sex determination systems is for bees and ants? (A)The X-Y system (B) The
• 13.Which of the following is a potent inducer of vasodilation? (A)Endothelin (B) Nitric oxide (NO) (
• 14.In cats, black fur color is caused by an X-linked allele； the other allele at this locus causes o
• 15.DNA methylation is an example of (A)genetic mutation. (B) epigenetic modification. (C)in vitro mu
• 16.Most repressor proteins are allosteric. Which of the following binds with the repressor to alter
• 17.Influenza viruses are (A)double-stranded DNA viruses. (B) single-stranded DNA viruses. (C)double-
• 18.Which of the following techniques allows researchers to measure the expression of thousands of ge
• 19.The human genome contains about 20000 genes. However； there is evidence that human cells produce
• 20.Which of the following observations is not helpful for the inference of natural selection? (A)Mem
• 21.Which of the following will not change the allele frequencies in a population? (A)Mutation (B) No
• 22.Which of the following is not related to \"reinforcement”? (A)Sexual selection (B) Sympatri
• 23.Eukaryotic cells have a nuclear envelope, mitochondria, endoplasmic reticulum, and other internal
• 24.Suppose gene A is orthologous in species 1 and species 2, and gene B is paralogous to gene A in s
• 25.Which of the following is not the cause of the genetic variation in bacterial populations? (A)Mut
• 26.Protists contain species belonging to (A)eukaryotes. (B) bacteria. (C)archaea. (D)all the three d
• 27.In plants, which of the following are produced by meiosis? (A)Haploid spores (B) Diploid spores (
• 28.What human reproductive organ is functionally similar to a seed? (A)Ovaries (B) Testis (C)A pregn
• 29.Which of the following statements is correct? (A)All the fungi propagate themselves by producing