Which picture indicates the process of DNA replication correctly?

The answer would be picture 4

Explanation:

Usually when people look at it first they would go to picture one since the DNA is modeled in a circular motion but, when it comes to replication, your answer would be picture 4.

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i really wish i could answer this question for you

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.