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#DNA stabilization

3 public questions tagged with this topic.

DNA

Which of the following interactions plays a major role in stabilizing B-DNA?

Stacking interactions is the accurate answer because it correctly identifies the biological function or role described in this question. In DNA, understanding the specific functions of molecules, enzymes, or structures is fundamental. Stacking interactions fulfills this particular biological role through its specific structural properties, biochemical activity, or physiological mechanism. The other options (Hydrogen bonding, Hydrophobic interactions, and Ionic interactions) serve different biological functions or are associated with other processes, pathways, or structural roles within the cel

Ref: Molecular Biology of the Gene, Watson et al., 7th Ed.

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DNA

The G-quadruplex structure is primarily stabilized by:

Na⁺ and K⁺ accurately describes the structural composition or molecular organization asked about in this question. In DNA, knowledge of molecular structure is directly linked to understanding biological function. The specific arrangement of chemical components in Na⁺ and K⁺ determines its physical properties, biological activity, and interactions with other molecules. The other options (Mg²⁺, Cl⁻, and Ca²⁺) describe different structural arrangements, incorrect stoichiometry, or compositions of different biological molecules.

Ref: Molecular Biology of the Gene, Watson et al., 7th Ed.

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DNA

Which interaction primarily stabilizes DNA against denaturation?

Stacking interactions accurately identifies the binding site, binding partner, or molecular interaction described in this question. In DNA, molecular recognition and binding specificity are governed by complementary shape, charge, and hydrophobic interactions between molecules. Stacking interactions binds at the specified location due to its structural complementarity and specific non-covalent or covalent interactions. The other options (Hydrogen bonds, Covalent bonds, and Electrostatic attraction) describe binding to different sites, involve different types of molecular interactions, or repre

Ref: Molecular Biology of the Gene, Watson et al., 7th Ed.

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