What is the substrate for amylase?
A) Starch
B) Protein
C) Lipids
D) Sugars
Answer: A
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Which of the following statement is false when comparing neurons and muscle tissue?
A) Muscle tissue and nerves are both excitable. B) Muscle tissue and neurons both have a resting membrane potential. C) Muscle tissue and neurons both have refractory periods. D) Resting membrane potentials are greater (more positive) in muscle compare to neurons. E) Action potentials last longer in muscle tissues compared to neurons.
Sympathetic stimulation of the heart
a. increases the heart rate. b. increases the contractile strength of the heart muscle. c. shifts the Frank-Starling curve to the left. d. two of these answers. e. all of these answers.
Which of the following cell organelles would be most important in secretory epithelial cells?
A. desmosomes B. Golgi apparatus C. lysosomes D. microtubules E. cilia
Non-REM sleep
A. is a time when the brain is very active. B. is characterized by movements of the eyes. C. is where we have our most memorable dreams. D. comprises most of our sleep time.