資訊推薦

• 12.下列關於反應速率的敘述，何者正確？ (A)增加壓力會使氣體的反應速率變得很慢 (B)負催化劑(或稱抑制劑)會增加反應的活化能，使反應速率變慢 (C)當溫度增加，放熱反熱的速率會變慢 (D)在常溫
• 13.下列關於物質的敘述，何者正確？ (A)當氣壓增大時，水的沸點將下降 (B)在物質三態中，固體粒子間的距離比液體粒子間的距離大 (C)同一液體的蒸氣壓隨溫度升高而增大 (D)橡膠為結晶形固體
• 14.下列關於有機化合物的敘述，何者正確？ (A)乙炔的製備，可利用碳化鈣(電石)與水反應製得 (B)酮類的通式為R－CHO(R為烷基) (C)丙醇(C3H8O)有三個同分異構物 (D)苯和溴在溴化鐵
• 15.下列關於溶液的敘述，何者正確？ (A)高粱酒是膠體溶液 (B)進行人體靜脈注射，注射液的滲透壓需與血液的滲透壓相同 (C)在一大氣壓下，氧氣溶解在水中的量，會隨溫度上升而增加 (D)蔗糖水溶液可
• 16.在27℃下，一體積為8.2公升的密閉容器中，置有互不反應的4.0克氦氣、28.0克氮氣及40.0克氬氣，則下列關於這些氣體的敘述，何者正確？(氣體常數：R=0.082atm‧L\/mol‧K；
• 2. Which is incorrect about eukaryotic mRNA? (A) Transcribed by RNA polymerase II (B) Contain 5'
• 3. Which is incorrect about genomic imprinting? (A) Imprinting genes show mono-allelic, parent-speci
• 4.Which part of the ribosome is responsible for decoding? (A) LSU (B) SSU (C)mRNA (D) tRNA (E)SiRNA
• 5. The initiation phase of the translation involves binding which component to mRNA? (A) LSU (B) SSU
• 6. Which organelle is responsible for protein degradation? (A) Mitochondria (B) Ribosome (C) Lysosom
• 7. Na+, K+, Ca2+, and Cl- permeation through their respective ion channels represents an example of
• 8.Which of the following can be used as a temperature-sensitive mutant to study the endomem (A) Aden
• 9.The signal sequence that determines whether a protein will be synthesized on a free ribosome or ri
• 10. of the following is not a common intracellular second mes (A) adenosine triphosphate (ATP) (B) 1
• 11. Which source of stem cells has the greatest potential for producing different kinds of new stem
• 12. Which one is a major regulator in G1 phase? (A) CDKI-cyclin B (B) CDK2-cyclin A (C) CDK2-cyclin
• 13. Which cell is responsible for innate immune response? (A) T cell (B) B cell (C)NK cell (D) Plate
• 14. Which enzyme is responsible for excising damaged or incorrect nucleotides during base excision r
• 15. Nectosis is often associated with: (A) Cellular shrinkage (B) Inflammatory response (C) Energy-d
• 16. What are the advantages of monoclonal antibodies over antisera? (A) They can be produced with hi
• 17.The Agel restriction enzyme recognizes the sequence ACCGGT and cuts each strand between the first
• 18.Is sequencing, does each labeled DNA molecule have a fluorescently labeled dideoxyribonucleotide
• 19.The DNA-binding proteins that recognize and accurately initiate transcription at specific eukaryo
• 20. Functional DNA is not found in: (A) bacterial nucleoids(B)chloroplasts(C)lysosomes(D) mitochondr
• 21.The cell metabolism is tightly connected to the regulation of gene expression. The lac operon (la