問題詳情
52. Which of the following statements about cell cycle is FALSE?
(A) Cyclin is degraded during G1.
(B) Synthesis of cyclin begins in S phase.
(C) Cyclin combines with Cdk to produce maturation-promoting factor (MPF).
(D) MPF promotes mitosis by phosphorylating various proteins.
(E) MPF’s activity peaks during prophase of M phase.
(A) Cyclin is degraded during G1.
(B) Synthesis of cyclin begins in S phase.
(C) Cyclin combines with Cdk to produce maturation-promoting factor (MPF).
(D) MPF promotes mitosis by phosphorylating various proteins.
(E) MPF’s activity peaks during prophase of M phase.
參考答案
答案：E
難度：非常困難0.166667
統計：A(3),B(0),C(2),D(0),E(1)
內容推薦
- Which of the following statements about eukaryotic transcription is FALSE?(A) Transcription fact
- ⑶請計算(1)、(2)及檢定H0 : E[Y]=β0 + β3 X3vs. Ha: E[Y]= β0+β1 X1 + β2 X2 + β3X3之檢定統計值。（6 分）又若樣本數n=22，且因變
- 電腦記憶體容量大小的單位通常用 KBTBGB 或 MB 表示，這四種單位由大到小的排列為：(A) KB > TB > GB > MB(B) GB > TB > MB &g
- Which of the following molecule does NOT participate in oxidative phosphorylation?(A) proton (B)
- Which of the following statements about blood tissue is FALSE?(A) The mature red blood cells con
- Which of the following statements about plant hormones is FALSE?(A) Auxin (IAA) is produced by s
- 主記憶體以 K 為單位，那麼 16 KB 等於多少 bytes？(A) 210(B) 214(C) 220(D) 224
- All of the enzymes catalyze reactions to produce NADH , FADH2 or ATP in citric acid cycle, excep
- Which of the following statements about cell junctions is FALSE?(A) Actin filaments anchor desmo
- 電腦的硬碟空間有 40 GB，其容量為：(A) 40*220 bytes(B) 40*230 bytes(C) 40*220 bits(D) 40* 230 bits
內容推薦
- _____ is formed in ______ during embryonic development. Which of the following statements is FAL
- Which of the following statements about protist is FALSE?(A) Entamoeba histolytica moves by pseu
- Which of the following statements about neurotransmitter is FALSE?(A) Dopamine is derived from t
- Which of the following statements about inherited disorders is FALSE?(A) Cystic fibrosis, a rece
- 一、請寫出下列各樹種之學名及其分布：（每小題 2 分，共 20 分）(一)臺灣杉
- Which of the following statements about fruit fly is FALSE?(A) Spermatheca can be used to store
- Which of the following statements is FALSE?(A) The hilum was observed in the starch grains of po
- Which of the following statements about drugs is FALSE?(A) Taxol inhibits cancer cells by preven
- Which of the following statements about bacterial replication fork is FALSE?(A) Helicase breaks
- Which insect is classified incorrectly?(A) mosquitoes - Diptera (B) butterflies - Lepidoptera (C
- Which of the following statements about RNA interference (RNAi) is FALSE?(A) MicroRNAs (miRNAs)
- Which of the following sugars contain ketone group?(A) glyceraldehyde (B) ribose (C) glucose(D)
- Which of the following statements about the molecules of appetite regulation is FALSE?(A) Hormon
- Which of the following statements about the reproductive cycles of human female is FALSE?(A) Low
- Which of the following coding region of a mRNA can encode a peptide and end at stop codon?(A) 5’
- Which of the following proteins have quaternary structure?I. Methionine II. Lysozyme III. Collag
- What is the order of the control of heart rhythm?Signals are delayed at AV node. Bundle br
- Which of the following statements about the extracellular matrix (ECM) is FALSE?(A) Collagens ar
- A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the t
- Endomembrane system includes following organelles, except ______.(A) nuclear envelope (B) endopl
- What is the order of the nephron?Thick segment of ascending limb. Distal tubule. Descen
- You enjoy learning about history by traveling throughout North America studying gravestones. You
- Which of following is NOT a second messenger in signal transduction?(A) proton (B) cAMP (C) Ca2+
- Which of the following statements about the regulation of skeletal muscle contraction is FALSE?(
- The most immediate potential benefits of introducing genetically modified crops include ______.I