In What Way Are Microorganisms Used in the Production of Coffee

question 5

Multiple Choice

In what way are microorganisms used in the production of coffee?

• A) Extracts of coffee beans are fermented by bacteria.
• B) Extracts of coffee beans are fermented by yeast.
• C) Extracts of coffee beans are first fermented by yeast. Fermentation waste products released by the yeast are then converted in different products by aerobic bacteria.
• D) Microorganisms that grow naturally on coffee beans provide the coffee with desirable flavors.
• E) Bacteria are used to remove the coating of coffee beans prior to roasting.

---

Definitions:

Random Variation

Fluctuations in data or experimental results due to unpredictable changes in variables or conditions.

Time Series

A sequence of data points collected or recorded at successive points in time, often analyzed to identify trends, cycles, and seasonal variations.

Three-period Moving Averages

A method used in time series analysis to smooth out data by calculating the average of any three consecutive periods to predict trends or identify patterns.

Principle of Parsimony

A principle stating that among competing hypotheses, the one with the fewest assumptions should be selected.