問題詳情
17. Which of the following statements about microRNAs is false?
(A)MicroRNAs are short RNA molecules.
(B)MicroRNAs are formed by cleavage of hairpin loops in a larger precursor.
(C) MicroRNAs have internal complementary base pairs, folding into cloverleaf patterns.
(D)MicroRNAs silence the expression of specific mRNAs.
(E)MicroRNAs are found in plants and animals.
(A)MicroRNAs are short RNA molecules.
(B)MicroRNAs are formed by cleavage of hairpin loops in a larger precursor.
(C) MicroRNAs have internal complementary base pairs, folding into cloverleaf patterns.
(D)MicroRNAs silence the expression of specific mRNAs.
(E)MicroRNAs are found in plants and animals.
參考答案
無參考答案
內容推薦
- Which of the following statements about steroid receptors is false?(A)The receptors are localized
- 【題組】(A) are(B) were(C) will be(D) would be
- 26 某一梁具如圖之橫斷面，且已知其對形心軸 z 之慣性矩為 。若此橫斷面承受剪力 V=6 kN 作用，則最大剪應力為何？ (A) 0.465 MPa(B) 0.838 MPa(C) 0.931 M
- Apoptosis involves all of the following except(A)cell-signaling pathways(B)activation of cellular
- Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently
- Energy released by the electron transport chain is used to pump H+into which location in eukaryot
- A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and
- During glycolysis, when each molecule of glucose is catabolized to two molecules of pyruvate, mos
- 【題組】(A) We can't stay at home(B) We should go swimming(C) We should do our homework(D) We c
- (36-37) 【題組】What does ES-ME do?(A) It takes tests.(B) It collects ideas.(C) It gives answers.(D)
內容推薦
- All of the following are functions of the mammalian kidney except(A)water retention(B)filtration
- Which of the following has both endocrine and exocrine activity?(A)the pituitary gland(B)parathy
- Sickle-cell anemia is a human disease that occurs as a result of what type of mutation in the β-
- Sexual reproduction(A)only occurs in vertebrates.(B)allows more offspring to be produced per ind
- 【題組】(A) I don't want to go out today(B) I'm not interested in shopping(C) I'll wa
- Which of the following represents the proper order of events in embryonic development?(A)fertili
- Which of the following germ layer-structure is mismatched?(A)endoderm-digestive tract(B)mesoderm
- A doctor discovers that her patient can produce antibodies against some bacterial pathogens, but
- 國民健康署根據我國的飲食習慣和在地食材，制定「臺灣飲食質地製備指引」，透過調整食物的軟硬度與烹調方式，來幫助長者吃得歡喜。下列敘述何者錯誤？(A)黑豆干屬於「容易咬軟質食」的食物，建議將這類食物
- The proximate causes of behavior are interactions with the environment, but behavior is ultimate
- 一鐘擺為黃銅製品，設計時是要使它在20℃時能準確計時。若該鐘在0℃時操作，則每小時約略會誤差幾秒？（黃銅的體膨脹係數為9×10－5℃－1） (A)0.46 (B)0.54(C)0.68 (D
- 【題組】What does You’ll know when the time comes mean in the reading?(A) You will die when you get
- 【題組】(A) Good idea (B) I like it, too (C) No problem (D) I don't think so
- 【題組】Mr. Jones is going shopping on Tuesday evening. How many of these stores can he go to?(A) On
- 【題組】(A) Classmates (B) Lucky the Dog (C) Summer Days (D) The Best Thing
- Taipei and Kaohsiung have signed a ___________ agreement that citizens can use their own MRT card
- Each occupation has its own _______ ; doctors, lawyers and computer professionals, for example, a
- Long exposure to second-hand smoke can be ______ to anyone, particularly those who have never smo
- The teacher blames the student of ______ because his essay was so similar to that of another stud
- Due to the _________ demand for 2G mobile phones, companies will no longer manufacture them.(A) i
- Many people at that time believed that spices help preserve food; however, scientist later found
- Because of Peter’s diabetes, he has to constantly monitor his _________ level.(A) blood (B) bone
- II. Cloze: China is a country that is in a 11 of smog, and the government is trying to relieve
- (38-40)【題組】What is Bluelake?(A) A city. (B) A park. (C) A school. (D) An art museum.
- It is believed ________ causes sleep problem. So it’s better not to drink coffee before going to