You Have Isolated a Bacterium That Grows in a Medium

question 15

Multiple Choice

You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is

• A) gram- positive.
• B) a photoheterotroph.
• C) using anaerobic respiration.
• D) a photoautotroph.
• E) a chemoautotroph.

---

Definitions:

Debts

Money owed by one party to another under an agreement that repayment will occur at a later date.

Bankrupt Discharged

Refers to the legal status whereby an individual or entity, previously declared bankrupt, has been officially released from most, if not all, debt obligations by a court.

Creditor

An entity or person to whom money is owed by a debtor.

Bankruptcy and Insolvency

Legal statuses of an individual or entity that cannot repay the debts they owe to creditors.