Some Bacteria in the Human Gut Microbiota Primarily Feed on Glucose

question 16

Multiple Choice

Some bacteria in the human gut microbiota primarily feed on glucose derivatives from mucus secretions. Which of the following is correct with respect to "mucus farming" by bacteria?

• A) Bacteroides thetaiotaomicron and other bacteria induce the colon to produce mucus.
• B) Mucus-derived sugar acids are metabolized via the Entner-Doudoroff (ED) pathway.
• C) Sugar acids must be converted to 6-phosphogluconate in order to enter the Entner-Doudoroff (ED) pathway.
• D) All of the above.
• E) None of the above.

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Definitions:

Gain

The financial profit obtained from a transaction or investment, exceeding the initial cost.

Loss

Occurs when a company's expenses exceed its revenues, resulting in a negative profit.

Discount on Bonds Payable

The difference between the face value of bonds and their selling price, when the bonds are sold for less than their face value.

Redeems

The act of exchanging something such as coupons, vouchers, or securities for goods, services, or money.