What Are the Functions of Cytochrome C and Ubiquinone

question 26

Multiple Choice

What are the functions of cytochrome c and ubiquinone?

• A) They translocate protons from the matrix to the inner mitochondrial space.
• B) They shuttle electrons between the protein complexes.
• C) They synthesize water from molecular oxygen.
• D) They produce ATP by substrate-level phosphorylation.
• E) They produce ATP by oxidative phosphorylation.

---

Definitions:

Absolute Purchasing Power Parity

The theory that, in the absence of transaction costs and other barriers, identical goods in different countries should have the same price when expressed in a common currency.

Transaction Costs

The expenses incurred when buying or selling goods and services, which may include commissions, fees, and the bid-ask spread.

Covered Interest Arbitrage

An investment strategy that involves exchanging domestic currency for a foreign currency, investing in foreign interest-bearing assets, and using forward contracts to hedge exchange rate risk.

Forward Contract

A special arrangement made between two parties to transact an asset at a pre-agreed price on a set date in the future.