Hydrogen bonds are classified as weak because they are formed fast, but they also break easily under normal biological conditions.
Weak bonds can be easily broken, but this is extremely important because they are in bold in biological systems. For example, they help to decide and stabilize the shapes of water molecules.
Plasmids, they are rings of DNA often used in procedures like insulin production and cloning
The answer to this is inherited mutation.
Inherited mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.
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