Which of the following is the correct structure for alanine at pH = 7? 
Definitions:
Owners' Equity
The residual interest in the assets of an entity after deducting liabilities, essentially the net worth belonging to the owners.
Assets
Resources with economic value that an individual, corporation, or country owns or controls with the expectation that it will provide future benefit.
Liabilities
Financial obligations or debts that a company owes to others, which need to be paid back in the future.
Owners' Equity
The portion of a company's assets that belongs to its owners or shareholders, representing their residual interest.
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