When the body's blood glucose level rises, the pancreas secretes insulin and, as a result, the blood glucose level declines
When the blood glucose level is low, the pancreas secretes glucagon and, as a result, the blood glucose level rises. Such regulation of the blood glucose level is the result of _____.
A) catalytic feedback
B) positive feedback
C) negative feedback
D) bioinformatic regulation
E) protein-protein interactions
Answer: C
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Indicate whether the statement is true or false.
Answer the following statements true (T) or false (F)
1. Overall brain size across mammals (e.g., an elephant vs. a bat) is a good predictor of behavioral complexity. 2. Cranial nerves are connected directly to the brain. 3. The somatic nervous system primarily regulates involuntary responses. 4. The sympathetic and parasympathetic divisions of the autonomic nervous system tend to have opposing actions on target organs.
Your microwave will not turn on, and you speculate that a circuit breaker in the house has been tripped. In scientific terminology, the steps you would take to figure this out would be described as
A. testing a prediction generated from a hypothesis. B. forming conclusions from the results of experiments. C. developing a hypothesis based on an observation. D. developing an observation based on a hypothesis.
An excess of T3 and T4 in the blood is hyperthyroidism, which in its most common form is called
A) goiter. B) sterility. C) Graves' disease. D) botulism.