F⁺ Strains of Escherichia Coli

question 82

Multiple Choice

F⁺ strains of Escherichia coli

• A) do not have an F factor.
• B) have the F factor as a plasmid.
• C) have an integrated F factor.
• D) transfer the F factor to recipient cells at a high frequency.

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Definitions:

Rate of Return

The returns or setbacks realized from an investment over a certain time period, expressed as a percentage of the initial capital invested.

Yield to Maturity

The total return anticipated on a bond if the bond is held until it matures, factoring in all interest payments made over time.

Zero-coupon Bond

A bond that does not pay interest during its life and is sold at a discount from the face value, which is paid to the holder at maturity.

Forward Interest Rate

A rate that is deduced from current bond yields, representing the expected future interest rate between two periods.