Which of the Following Is FALSE Regarding the ETS in Escherichia

question 46

Multiple Choice

Which of the following is FALSE regarding the ETS in Escherichia coli?

• A) NDH-1 is the main initial substrate oxydoreductase; NDH-2 is an alternative NADH dehydrogenase.
• B) It pumps 10-12 protons per NADH.
• C) It pumps 2-8 protons per NADH.
• D) The main terminal oxidase is the cytochrome bo quinol oxidase, which contains heme b, heme O₃, and Cu.
• E) An alternative cytochrome bd quinol oxidase has a higher affinity for oxygen than other terminal oxidases and allows E. coli growth in low-O₂ habitats.

---

Definitions:

Quantity Sold

The total number of units of a product or service sold over a specific period of time.

Primary Demand

The overall demand for a product category or market as a whole, rather than for a specific brand.

Demand Curve

A graphical representation showing the relationship between the price of a product and the quantity of the product demanded at those prices.

Price Per Unit

The cost assigned to a single unit of a product or service, used to set selling prices and evaluate production efficiency.