Which of the Following Statements About Natural Killer Lymphocytes Is

question 41

Multiple Choice

Which of the following statements about natural killer lymphocytes is incorrect?

• A) They secrete toxins onto virally infected cells.
• B) They attach to the surface of parasitic helminths and produce toxins that kill the parasite.
• C) They accomplish extracellular killing.
• D) They identify and spare normal cells.
• E) They are involved in the removal of neoplastic cells.

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Definitions:

Independent

Free from external control and constraint, or in finance, referring to analysis or advice that is unbiased by conflicts of interest.

Negatively Correlated

Negatively correlated refers to two variables moving in opposite directions; as one increases, the other decreases, and vice versa.

Standard Deviations of Returns

A measure of the volatility or risk associated with the return on investment, indicating how much the returns can fluctuate over a period.

Positive Correlation

A relationship between two variables where they move in the same direction, meaning as one variable increases, the other does too.