問題詳情
25. Which one of the following is the best characteristic of microRNAs (miRNAs)?
(A)MicroRNAs are short RNA molecules that encoded by genome.
(B) MicroRNAs can target the genome to suppress gene expression.
(C) MicroRNAs can edit the RNA sequence.
(D)MicroRNAs can edit DNA sequence.
(E)MicroRNAs can edit amino acid sequence of protein.
(A)MicroRNAs are short RNA molecules that encoded by genome.
(B) MicroRNAs can target the genome to suppress gene expression.
(C) MicroRNAs can edit the RNA sequence.
(D)MicroRNAs can edit DNA sequence.
(E)MicroRNAs can edit amino acid sequence of protein.
參考答案
答案:A
難度:計算中-1
書單:沒有書單,新增
內容推薦
- The heart is a(n) ________ composed mainly of ________ tissue?(A)tissue, endothelial(B) tissue,
- Polysaccharide _____ is an important ECM component for the exoskeleton of many insects and shell
- About the phytochrome, which one of the following is the best answer?(A)Pr and Pfr are the same
- About the nutrient translocation (source-sink) during photosynthesis, which one of the following
- In C4 plants, the gaseous CO2 can be fixed by ______.(A)oxaloacetate(B) phosphoenolpyruvate(C) m
- About the ATP production in the light reaction of photosynthesis, which one of the following is
- About the light reaction of photosynthesis, which one of the following is the best answer?(A)Pho
- About the mitochondria, which one of the following is more incorrect?(A)The most cells contain a
- Which one of the following is the most correct of the TCA cycle?(A)In the reaction of electron t
- Which one of the following processes will both occur in the presence or absence of oxygen?(A)Gly
內容推薦
- Where would one expect to find the most abundant/active telomerase?(A)Male germ cells that give
- ______ is a type of physical mutagens could induce thymine dimer mutations.(A)Gamma rays(B) X-ra
- Which one of the following is the cancer of epithelial cells?(A)Sarcoma.(B) Myeloma.(C) Leukemia
- When cancer cells can migrate to other parts of the body, they are always said to be____.(A)beni
- Humans have __________ different types of autosomes.(A)11(B) 22(C) 33(D)44(E)46
- Meiosis I produces ________, and meiosis II produces _______ cells.(A)2 diploid, 2 haploid(B) 2
- Sister chromatids separate during _________.(A)metaphase of meiosis I(B) metaphase of meiosis II
- What enzyme does the lacZ gene encode?(A)DNase.(B) Carbonic anhydrase.(C) β-galactosidase.(D)Glu
- Which one of the following is the best statement about genomic library and cDNA library?(A)A cDN
- The Hardy-Weinberg equation stats that p2 + 2pq + q2 = 1; the genotype frequency of heterozygote
- Animals that lack a vertebral column are known as________.(A)invertebrates(B) inarticulates(C) s
- Which one of the following hormones are not derived from cholesterol?(A)Testosterone.(B) Melaton
- ________ is a water-soluble hormone derived from the nervous system that regulates blood volume
- Which of the following correctly describes the path of urine from formation to excretion in them
- The major respiratory centers that control ventilation of the lungs in mammals are located in th
- The change in the concentration of _______ is the major factor that affects the breathing contro
- In vertebrates with four-chambered hearts, the ____ receives oxygenated blood directly from the
- The most possible chemical compound for increasing cardiac output when animals are exercising is
- The stomach is majorly surrounded by which type of muscle?(A)Skeletal muscle.(B) Smooth muscle.(
- The _______ protein might contains an ATP binding site for further activation.(A)tropomyosin(B)
- The perception of a certain pitch of sound is possibly depends on which of the following?(A)Whet
- The tough outer covering of the eye is mainly referred to as the ____.(A)sclera(B) retina(C) pup
- Injury to the cerebellum could dominantly result in which one of the following?(A)Diminished the
- During the rapid increase in membrane potential seen in the upsweep of the action potential, whi
- 植物細胞進行光合作用過程,所進行的氧化還原(redox)作用將電子(electrons)由_______最終移至_______。(A) O2;CO2 (B) CO2;O2(C) H2O;CO2