In the Formation of Biofilms, Such as Those Forming on Unbrushed

question 35

Multiple Choice

In the formation of biofilms, such as those forming on unbrushed teeth, cell signalling serves which function?

• A) formation of mating complexes
• B) aggregation of bacteria that can cause cavities
• C) secretion of substances that inhibit foreign bacteria
• D) digestion of unwanted parasite populations

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Definitions:

Impaired Note

A note receivable that has a reduced likelihood of being collected in full due to deterioration in the financial condition of the borrower.

Present Value

The present value of a sum of money or series of cash flows expected in the future, calculated using a specified discount or interest rate.

Contract Rate

It is the interest rate stated in a contract, such as a loan or lease agreement.

Non-interest-bearing Notes

Debt instruments that do not accrue interest over time, thus repaid at their face value.