D Both G/C base pairs and A/T base pairs have 3 相关知识点: 试题来源: 解析 B 在DNA双螺旋结构中,碱基通过氢键相互配对。鸟嘌呤(G)和胞嘧啶(C)之间形成**3个氢键**,而腺嘌呤(A)和胸腺嘧啶(T)之间形成**2个氢键**。题目选项中: - **A选项**数值相反(G/C为2,A/T为3),错误。 - **...
The global minimum is a dimer in which one of the monomers is not in its lowest-energy rotameric form. The dimer has two intermolecular and three intramolecular hydrogen bonds.doi:10.1016/j.cplett.2010.07.019Shamus A. BlairAjit J. Thakkar...
The number of hydrogen bonds that can be formed by each boric acid molecule is View Solution How many series of salts are formed byH3PO4? View Solution How many number of H-bonds are formed by a water molecule? View Solution How is hydrogen molecule formed ?
How many hydrogen bond acceptors does the following molecule have? How many hydrogen bonds can the following molecule form with water? Question 5 Which of the following molecules will experience the greatest dispersion forces? CH3CH2CH2CH3 CH3CH2CH2CH2CH2...
How many hydrogen bonds can a water molecule form? How many valence electrons does an oxygen atom have? Sulfur has an atomic number of 16. How many covalent bonds can sulfur form? What type of atoms form covalent bonds? If a cyclic hydrocarbon with one C=C double bond has 8 carbon atom...
How many hydrogens does pentene have?How many hydrogens are present around each of the indicated carbon atoms?How many hydrogen atoms are in a molecule of the normal alkane that has 7 carbon atoms?How many \sigma and \pi bonds are there in the given molecule? P...
IJ Rhile and JM Mayer, Comment on “how single and bifurcated hydrogen bonds influence proton-migration rate constants, redox, and electronic properties of phenoxyl radicals” by Thomas et al. Angew Chem Int Ed 44 (2005) 2-3 View Article...
Many of these characteristics have to do with whether a fat is "saturated" or "unsaturated." Saturated vs. Unsaturated If you look at palmitic acid and stearic acid chains, you can see that the carbon chains are completely and evenly filled with hydrogen atoms. In other words, the chains...
oxygen-hydrogen (O - H) The chemical bonds between the atoms are shared pairs of electrons. Chemical bonds are much like springs: They can bend and stretch. These properties are important in detecting ethanol in a sample by infrared (IR) spectroscopy. Read More Types of Devices: Intoxilyze...
Bonding interface tilting has been observed to be associated with changes in the number of hydrogen bonds bridging the TCR and pMHC molecules as they were pulled to unbind in SMD simulations6. Therefore, we investigated whether, and if so, how well the tilting angle would correlate with the ch...