What is transfer RNA (tRNA)? Transfer RNA (tRNA) is composed of a triplet of bases called a(n) ___ which is found on one end of the molecule and a(n) ___ on the other end of the molecule. A. Codon; anticodon. B. Anticodon; polypeptide. C. ...
Ultra-deep coverage single-molecule R-loop footprinting reveals principles of R-loop formation. J. Mol. Biol. https://doi.org/10.1016/j.jmb.2020.02.014 (2020). This study demonstrates the feasibility of mapping R-loops genome-wide at high resolution by capturing and sequencing the single-...
8 The bases on one of the strands of a DN A molecule have the sequence shown.A-A-T-C-T-G What is the corresponding sequence of bases on the other strand? A A-A-T-C-T-G B. C-C-G-A-G-T C G-G-C-T-C-A D. T-T-A-G-A-C 相关知识点: 试题来源: 解析 D 反...
What is the structure of a nucleotide? Nucleotides contain what kind of sugars? What cell structure contains DNA? What molecules make up the backbone of the RNA molecule? What holds the two strands of DNA together? What are the macromolecules DNA and RNA referred to as?
3.RNA polymerase catalyse the formation of the phosphodiester bonds between the RNA nucleotides. 4.The mRNA molecules is formed,and then the hydrogen bonds between the mRNA and DNA template strand are broken. 5.The DNA rewind into the double helix structure and mRNA molecule leaves the nucleus ...
molecule.Theaddedenergyofthephotonboosts theenergyconditionofthemoleculefromastablestatetoaless-stableexcitedstate.Duringthelight-dependentreactionsofphotosynthesis,astheabsorbingmoleculereturnstothegroundstate,theexcessexcitationenergyistransmittedtoothermoleculesandstoredaschemicalenergy.生物份子能捕获可见光谱中的光能...
In this case, the hydroxyl group of the A-minor adenosine interacts with both the hydroxyl and the YO2 or RN3 atom of its pairing partner (Fig. 2 a). Sometimes a water molecule inserts between the adenosine and its cis SE/SE pairing partner. This interaction is not described by Nissen ...
structure of Each DNA molecule is a long double helix that resembles a spiral staircase and contains millions of steps. These steps of the staircase have pairs of four types of molecules called bases (nucleotides). These bases are paired as follows- the base adenine (A) ...
The H1 linker histone is not part of the nucleosome core but binds to DNA between neighboring nucleosomes, serving as a linker molecule in the formation of chromatin fibers, the higher-order structure of eukaryotic chromosomes6,7. The in vivo assembly of the nucleosome core in eukaryotes is a...
Furthermore, one extra RNA molecule, called the subgenomic RNA (sgRNA), is also packaged. RNAs 1 and 2 are packaged in different capsids, while RNAs 3 and 4 (the sgRNA) are co-packed in a 1-to-1 ratio in the same capsid. The structural simplicity of some plant viruses and ...