Circular DNA Molecules Found in Nature Are

question 4

Multiple Choice

Circular DNA molecules found in nature are

• A)positively supercoiled.
• B)negatively supercoiled.
• C)not supercoiled,due to their small size.
• D)always oriented in a triple helix to conserve space.
• E)always in the Z-DNA formation.

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Definitions:

Bone Remodeling

The continuous process where old bone is replaced by new bone tissue, maintaining the integrity and strength of the skeleton.

Adjust to Stress

The process by which organisms attempt to maintain homeostasis and respond to physical or psychological challenges through behavioral or physiological changes.

Fractures Heal

The natural process of bone repair after a break or crack, typically involving the formation of a blood clot followed by the growth of new bone tissue.

Osteoclast Activity

The process involving osteoclast cells breaking down bone tissue, releasing calcium and phosphate into the blood.