A stem cell divides to give rise to two differentiated cells
Indicate whether the statement is true or false
FALSE
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The test tubes in the photograph contain Benedict's solution and two unknown substances that have been heated. What do the results indicate?
What will be an ideal response?
Due to dual innervation of the heart,
A. the autonomic nervous system and somatic motor system control heart function. B. heart rate can increase due to sympathetic regulation and voluntarily through cerebral activity. C. heart rate can decrease due to parasympathetic regulation and voluntarily through cerebral activity. D. heart rate can increase under sympathetic regulation or decrease under parasympathetic regulation, meeting the demands of the body.
The fundamental properties of smooth muscle include ______. Select all that apply.
A. exhibits a relatively constant tension B. exhibits auto rhythmic contractions C. variable amplitude of contraction D. relaxation in response to being stretched
Adjustment to close-range vision involves all of the following except ________.
A. ciliary muscle activity B. constriction of the pupil C. change in the curvature of the lens D. light adaptation E. activity of the extrinsic eye muscles