Which of the Following Electron Carriers Transports Electrons from Complex

question 23

Multiple Choice

Which of the following electron carriers transports electrons from complex III to complex IV of the electron and H⁺ transport chain?

• A) CoQ
• B) cytochrome a
• C) cytochrome b
• D) cytochrome c

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Definitions:

Sterile Broth

A nutrient-rich liquid media that has been treated to eliminate all forms of life, used for growing microorganisms in a lab.

Louis Pasteur

A French biologist, microbiologist, and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization.

Nucleic Acid

Macromolecules essential to all known forms of life, which store and transmit genetic information in cells mainly in the forms of DNA and RNA.

RNA-First Hypothesis

In chemical evolution, the proposal that RNA originated before other macromolecules and allowed the formation of the first cell(s).