The heating and cooling system in your house or apartment can be thought of as a homeostatic system. When you turn the thermostat dial to 70 degrees Fahrenheit, this can be thought of as the _____ of the system.
A. set point
B. sensor
C. effector
D. homeostat
E. regulatory response
A. set point
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Which two cell scientists are credited with the formulation of the cell theory, also known as the cell doctrine?
A. Watson and Crick B. Schleiden and Schwann C. Schleiden and Hooke D. Schwann and Jenner
In which of the following animals does the anus develop before the mouth?
a. Deuterostome b. Diploblast c. Protostome d. Acoelomate
Nutrient absorption mostly happens in the ____
a. stomach b. small intestine c. colon d. pancreas e. esophagus
How does the binding of a regulatory molecule to the allosteric site affect the activity of an enzyme? (Check all that apply.)
A. It may change the maximum velocity of the enzyme. B. It may decrease the activity of the enzyme. C. It may increase the activity of the enzyme. D. It may change the affinity of the enzyme for its substrate. E. It causes the enzyme to denature and become inactive. F. It may cause the active site to disappear altogether. G. It may change the shape of the enzyme.