Both covalent bonds and noncovalent bonds are needed to form a macromolecular assembly
举一反三
- Among the following substances, which have both ionic and covalent<br/>bonds ( ) A: KCl B: CO C: Na2SO4 D: NH4+
- Heavy molecules need higher temperature to overcome their stronger . A: ionic bonds B: covalent bonds C: intermolecular forces D: --
- Among the following particles, which contains both ionic and covalent bonds is ( ) A: Ca(OH)2 B: H2O2 C: Na2O D: MgCl2
- The most common covalent cross-links in proteins are _________ bonds which link together two –SH groups from cysteine side chains.
- Ionic interactions and hydrogen bonds are variable in strength, depending on the polarity of the solvent and the alignment of the hydrogen-bonded atoms, but they are always significantly weaker than covalent bonds.