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【題組】4. ______is binding site of RNA polymerase on sequence of DNA. (A) Promoter (B) Operator (C) B
問題詳情
【題組】4. ______is binding site of RNA polymerase on sequence of DNA.
(A) Promoter
(B) Operator
(C) Binding site
(D) Regulator
參考答案
答案：
[無官方正解]
難度：
計算中
-1
書單：
沒有書單，新增
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【題組】3. ______is a DNA sequence that controls transcription of structural genes (A) Regulatory site
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【題組】5. Activation of amino acid is carried out by ______ enzyme (A) DNA Polymerase (B) Amino acyle
資訊推薦
【題組】6.______ is the first amino acid in proteins of bacteria. (A) alanine (B) N formyl methionine
【題組】7. ______enzyme relaxes the supercolling of double stranded DNA molecule (A) DNA Polymerase (B)
【題組】8. ______ react with bases that contain amino group for mutation. (A) Nitrous Acid (B) Nitric A
【題組】9. The sequence of mRNA transcribed & translated is known as (A) non coding sequence (B) mid se
【題組】10. ______ is due to less stringent pairing of third base of codon with anticodon. (A) Degenerac
【題組】11. The nuclear DNA‐protein complex is called ______(A) chromosome (B) chromatin (C) nucleopr
【題組】12. The most conserved histones are______(A) H1 & H2A (B) H2A & H2B (C) H3 & H4 (D) H1 & H4.
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【題組】2. The DNA found in most bacterial cells(A) is surrounded by a nuclear membrane (B) utilizes his
【題組】3. Salts and sugars work to preserve foods by creating a(A) depletion of nutrients (B) hypotonic
1. 依據台灣電力公司三段式時間電價(尖峰、半尖峰及離峰時段)的規定，請問哪個時段電價最便宜？(A)離峰時段(B)夏月半尖峰時段(C)尖峰時段(D)非夏月半尖峰時段。
【題組】4. Which of the following is an advantage of the standard plate count?(A) can readily count cell
【題組】5. Which of the following is an advantage of the direct microscopic count?(A) can readily count
【題組】6. A culture medium consisting of agar, peptone, and beef extract is a(A) chemically defined med
【題組】7. An experiment began with 4 cells and ended with 128 cells. How many generationsdid the cells
【題組】8. Which enzyme catalyzes the reaction: O2- + O2- + 2H+→ H2O2+ O2?(A) catalase (B) oxidase (C) p
【題組】9. What is the fate of pyruvic acid in an organism that uses aerobic respiration?(A) It is reduc
【題組】10. Researchers are developing a ribozyme that cleaves the HIV genome. Thispharmaceutical agent
【題組】11. A bacterial culture grown in a glucose-peptide medium causes the pH to increase.The bacteria
【題組】12. Which of the following uses glucose for carbon and energy? (A) chemoautotroph(B) chemohetero
【題組】13. A gram-positive bacterium suddenly acquires resistance to the antibiotics. This traitmost li
【題組】14. Which one of the following organisms has a cell wall? (A) protoplasts(B) fungi (C) L forms (
【題組】15. In bacteria, photosynthetic pigments are found in (A) chloroplasts(B) cytoplasm (C) chromato