問題詳情
61. Which of the following descriptions about the Michaelis-Menten equation is false?
(A) KM measures the substrate concentration at which the reaction rate is 1/2Vmax.
(B) An enzyme with a low KM means that it has low affinity for its substrate.
(C) An enzyme with a low kcat means that it has a low catalytic rate.
(D) The turnover number, kcat, measures the rate of the catalytic process.
(E) The ratio kcat/KM is a convenient measure of enzyme efficiency.
(A) KM measures the substrate concentration at which the reaction rate is 1/2Vmax.
(B) An enzyme with a low KM means that it has low affinity for its substrate.
(C) An enzyme with a low kcat means that it has a low catalytic rate.
(D) The turnover number, kcat, measures the rate of the catalytic process.
(E) The ratio kcat/KM is a convenient measure of enzyme efficiency.
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- What compound does not exist in the glyoxylate cycle?(A) citrate (B) α-ketoglutarate (C) isocitr
- Which of the following about endocrine system is incorrect?(A) Testis is a part of endocrine sys
- Which of the following statements regarding insects is correct?(A) Incomplete metamorphosis have
- Radiolabelled isotope dating is an important method to determine the age of a fossil. A14C conte
- Which of the following about transposable elements is correct?(A) occurs only in bacteria(B) occ
- What of type reaction promotes the conversion of phosphatidylserine to phosphatidylethanolamine?
- The following compounds function as neurotransmitters except ________.(A) acetylcholine (B) crea
- How does a noncompetitive inhibitor decrease the rate of an enzyme reaction?(A) by binding to th
- Which of the following descriptions regarding muscle is correct?(A) The length of thick filament
- Taxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, Taxol disrupts
內容推薦
- When electrons flow along the electron transport chain of mitochondria, which of the following c
- Which compound is not one-carbon carrier in metabolism?(A) tetrahydrobiopterin (B) formyl-tetrah
- How does extracellular glucose inhibit transcription of the lac operon?(A) by strengthening the
- Which description about Hb (hemoglobin) is false?(A) HbF has an α2γ2 structure.(B) HbA has an α2
- Which of the following statements regarding vertebrates is correct?(A) Chondrichthyans have oper
- Which of the following statements regarding yeast two-hybrid analysis is false?(A) The goal is t
- The carbon skeleton produced by transamination of aspartate enters the citric acid cycle as ____
- Which of the following descriptions regarding appetite control of animal is correct?(A) Ghrelin
- What amino acid residues in some membrane-associated proteins are covalently linked to myristoyl
- 5-phosphoribosyl-1-pyrophosphate (PRPP) is a precursor in the synthesis of all of the following
- What main component in plasma membrane has the oligosaccharide head groups to determine human bl
- What enzyme is frequently used for the measurement of the concentrations of glucose in blood?(A)
- Transcriptional activators that have variable positions and orientations are called _______.(A)
- What two classes of enzymes play an important role in generating and propagating a recombinant D
- 09依租賃住宅市場發展及管理條例之規定，支付租金租用他人承租之租賃住宅供居住使用者，下列何者正確？(A) 次代租人 (B) 次承租人 (C) 次轉租人 (D) 次包租人
- The peptide QYDG has a N-terminal _______ residue.(A) glutamic acid (B) glycine (C) glutamine (D
- Insulin exerts its action through plasma membrane receptors to regulate the level of blood gluco
- 19依租賃住宅市場發展及管理條例之規定，租賃住宅應由出租人負責修繕之項目，如出租人未於承租人所定適當期限內修繕，下列何者正確？(A) 承租人僅得自行自費雇工修繕 (B) 承租人得自行修繕，並請求出租人
- 10依租賃住宅市場發展及管理條例之規定，承租人為擔保租賃住宅之損害賠償行為及處理遺留物責任，預為支付之金錢，其名稱下列何者正確？(A) 保證金 (B) 訂金 (C) 租金 (D) 押金
- 「擴散思考測驗」是常用來評量創造力的一種方法，可用來評量各種創造力層面。下列評量層面的順序，何者是正確的？ (A)流暢力、精密力、獨創力(B)開放性、變通力、獨創力(C)變通力、流暢力、獨創力
- Which of the following statements regarding polysaccharide is correct?(A) The glucose residues a
- 29依租賃住宅市場發展及管理條例之規定，受託刊登租賃住宅廣告之媒體經營者明知或可得而知廣告之租賃住宅面積、屋齡、樓層別及法定用途與事實不符者，就承租人因信賴該廣告所受之損害，下列何者正確？(A) 與出
- 20依租賃住宅市場發展及管理條例之規定，出租人對於修繕租賃住宅所為之必要行為，下列何者正確？(A) 承租人得有條件拒絕 (B) 承租人得有條件接受(C) 承租人不得拒絕 (D) 承租人得拒絕
- 11不適用租賃住宅市場發展及管理條例規定之租賃住宅，下列何者正確？(A) 供休閒或旅遊為目的之住宅 (B) 由出租人自行經營管理之住宅(C) 供居住使用之住宅 (D) 租賃期間超過 30 日之
- 02依租賃住宅市場發展及管理條例之規定，下列何者屬租賃住宅服務業？(A) 公寓大廈管理維護公司 (B) 租賃住宅代管業 (C) 不動產經紀業 (D) 不動產代銷業