Which Catabolic Processes May Have Been Used by Cells on Ancient

question 103

Multiple Choice

Which catabolic processes may have been used by cells on ancient Earth before free oxygen became available?

• A) glycolysis and fermentation only
• B) glycolysis and the citric acid cycle only
• C) glycolysis, pyruvate oxidation, and the citric acid cycle
• D) oxidative phosphorylation only
• E) glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation, using an electron acceptor other than oxygen

---

Definitions:

E-Recruiting

The process of using web-based technology to attract, assess, select, and hire candidates for jobs.

Web-Based HR

Human resource functions and processes that are conducted over the internet, allowing for digital management of tasks like recruitment and training.

Self-Service Systems

Technological platforms that allow individuals to complete tasks or access information without direct assistance from others, often used in customer service and HR.

Data Security Systems

Systems implemented to protect digital information from unauthorized access, breaches, or theft, ensuring the confidentiality, integrity, and availability of data.