Turning up the temperature setting in a room that feels cold and causes a heater to turn on, is an example of the principle of
A. neutral feedback.
B. positive feedback.
C. negative feedback.
D. directional control.
E. hormone regulation.
C. negative feedback.
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Food energy is measured in ____
a. kilograms b. kiloliters c. kilometers d. kilocalories e. kilojoules
Answer the following questions true (T) or false (F)
1. Recent evidence has shown chlorofluorocarbons have no effect on ozone. 2. Scientists predict climate change related to CO2 will increase temperatures over the next century but will have no effect on sea level or precipitation patterns. 3. Warm air can hold more moisture than cold air.
An atom becomes an ion when:
A) it gains or loses protons. B) it gains or loses electrons. C) hydrogen ions are shared. D) it forms a covalent bond. E) it gains or loses neutrons.
The regulator gene codes for the DNA-binding proteins that act as repressors.
Answer the following statement true (T) or false (F)