Which of the following increases the rate of a reaction?
A) increased reactant concentration B) solid reactants
C) cold temperatures D) absence of a catalyst
Answer: A
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Newborn respiratory distress syndrome is caused by an excess of pulmonary surfactant
Indicate whether the statement is true or false
Which of these descriptions best matches the term "myenteric plexus"?
A) component of mucosa B) sensory neural network C) secretes a watery fluid D) coordinates activity of the muscular layer E) loose connective tissue layer containing blood vessels
While both systems maintain homeostasis, how does the nervous system differ from the endocrine system?
A. The nervous system releases neurotransmitters into the blood, while the endocrine system releases hormones between cells. B. The nervous system releases neurotransmitters between cells, while the endocrine system releases hormones into the blood. C. The nervous system releases hormones into the blood, while the endocrine system releases neurotransmitters between cells. D. The nervous system releases hormones between cells, while the endocrine system releases neurotransmitters into the blood.
The digestive, respiratory, and urinary systems of the fetus are nonfuctional.
Answer the following statement true (T) or false (F)