Antimycin a Blocks Electron Transfer Between Cytochromes B and C₁

question 62

Multiple Choice

Antimycin A blocks electron transfer between cytochromes b and c₁. If intact mitochondria were incubated with antimycin A, excess NADH, and an adequate supply of O₂, which compound would be found in the oxidized state?

• A) coenzyme Q
• B) cytochrome a₃
• C) cytochrome b
• D) cytochrome e
• E) cytochrome f

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Definitions:

Compounded Annually

Interest that is calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan, done once a year.

Compounded Monthly

This refers to the calculation of interest on the initial principal and the accumulated interest over previous periods on a monthly basis.

Investor

An entity or individual who commits funds hoping to achieve monetary rewards.

Compounded Semi-Annually

Describes the method of determining interest by applying it to both the original amount of money invested or loaned and any interest that has already been added to that amount, occurring two times annually.