Information flow in biological systems is necessary for negative or 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.

Question

Quizplus · Accepted Answer

Option C does not involve the flow of information providing feedback. It is a physical environmental factor (drought) that affects the survival of trees, without any regulatory feedback mechanism involved. Options A, B, and D all involve a feedback mechanism where information is transmitted and used to regulate a response.

Information Flow in Biological Systems Is Necessary for Negative or Regulative