Both Beggiatoa and the Purple Sulfur Bacteria Use H2S

question 21

Multiple Choice

Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that Beggiatoa

• A) belongs to the gammaproteobacteria.
• B) uses H2S for a carbon source.
• C) uses H2S for an energy source.
• D) uses light energy.
• E) is a heterotroph.

---

Definitions:

Labour Relations Board

A governmental agency responsible for enforcing labor laws, including the regulation of unions and the adjudication of labor disputes.

Strike

Withdrawal of services by employees.

Union Shop

A workplace where employees must join the union within a certain timeframe after being hired.

Lockout

An action taken by employers to prevent employees from working during a labor dispute, as a measure to pressure the union into concessions.