Essential of DNA denaturation is ( ).
A: Break of phosphodiester bonds
B: Rupture of hydrogen bonds
C: Break of secondary bonds
D: Destruction of base stacking
A: Break of phosphodiester bonds
B: Rupture of hydrogen bonds
C: Break of secondary bonds
D: Destruction of base stacking
举一反三
- 磷酸二酯键（phosphodiester bonds
- The non-covalent intermolecular forces described in this video behave differently. How are the forces ranked in terms of their energy? A: Van Der Waals > Ionic > Hydrogen bonds B: Ionic > Van Der Waals > Hydrogen bonds C: Ionic > Hydrogen bonds > Van Der Waals D: Hydrogen bonds > Ionic > Van Der Waals
- The spatial conformation of a protein mainly depends on A: α-helix and β-sheet B: the sequence of amino acids in polypeptide chain C: disulfide bonds in polypeptide chain D: hydrophobic effects in polypeptide chain E: hydrogen bonds in polypeptide chain
- Which of the following statements is true? A: Interest on bonds is tax deductible. B: Interest on bonds is not tax deductible. C: Dividends to stockholders are tax deductible. D: Bonds do not have to be repaid. E: Bonds always increase return on equity.
- Both covalent bonds and noncovalent bonds are needed to form a macromolecular assembly