You Have Isolated a Bacterium That Grows in a Medium

question 1

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

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Definitions:

Correlation Coefficients

A measure that determines the degree to which two variables' movements are associated.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.

Expected Return

The probable return on an investment, considering all possible outcomes and their probabilities, representing the average of all possible returns.

Beta

A measure of the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole.