Why Are the Components of the Electron Transport Chain Embedded

question 40

Multiple Choice

Why are the components of the electron transport chain embedded in the inner mitochondrial membrane rather than floating freely in the cytoplasm of mitochondrial matrix?

• A)To generate and maintain the proton gradient essential for ATP production.
• B)To separate the ATP from the ADP.
• C)Because electrons cannot float in the matrix.
• D)Because NADH cannot localize to the mitochondrial matrix.

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Definitions:

Post-Closing Trial Balance

A list of all account balances after closing entries are made, used to check the equality of debits and credits and prepare for the next accounting period.

Correcting Entries

Journal entries made to amend previously recorded transactions that were entered incorrectly.

Adjusting Entries

Journal entries made in preparation for financial statements to allocate income and expenses to the period in which they actually occurred.

Balance Sheet Account

An account found on the balance sheet which can include assets, liabilities, and equity accounts.