DNA Double Helix Structure Is Stabilized by All of the Following

question 26

Multiple Choice

DNA double helix structure is stabilized by all of the following EXCEPT:

• A) the sugar-phosphate backbones are oriented in opposite directions.
• B) the glycosidic bonds holding paired bases are directly across the helix from one another.
• C) cations such as Mg²⁺ bind to the anionic phosphates.
• D) bases stack together through hydrophobic interactions and van der Waals forces.
• E) appropriate base pairing builds a polymer whose external dimensions are uniform.

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Definitions:

Basic Multicellular Unit

Functional unit involved in the remodeling of bone tissue, comprising of osteoclasts and osteoblasts.

Osteoblast Activity

The process of bone formation carried out by osteoblasts, cells that synthesize bone matrix and mineral content.

Osteoclast Activity

The process involving cells responsible for bone resorption in the body's bone remodeling cycle.

Zygomatic Bone

The Zygomatic Bone, also known as the cheekbone, is a facial bone that forms the prominence of the cheek.