Information Flow in Biological Systems Is Necessary for Negative (Regulative)feedback

question 7

Multiple Choice

Information flow in biological systems is necessary for negative (regulative) feedback to operate. Which of these examples does NOT involve flow of information providing feedback?

• A)Heat receptors send signals to promote sweating.
• B)Low blood sugar causes the liver to convert starch to sugar to be released in the blood.
• C)Drought kills many trees.
• D)Bacterial genes for breaking down lactose are activated in the presence of lactose.

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Definitions:

Descriptive

Pertaining to the detailed description of characteristics, behaviors, or phenomena, without attempting to influence or change them.

Experimental

Pertaining to a method of research in science that involves the manipulation of variables to test a hypothesis and observe the effects.

Confidence Interval

A statistical measure that provides, with a specified probability, a range of values within which a population mean is likely to lie.

Statistical Measure

A quantitative value representing a summary or characteristic of a set of data, such as mean, median, or standard deviation.