A subcellular structure built of assemblies of macromolecules that carries out a
particular function is a(n) _____________.
Fill in the blank(s) with correct word
organelle
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Which statement comparing action potential and local potential is false?
A. Action potentials are not graded and local potentials are. B. Action potentials are not reversible and local potentials are. C. Action potentials are graded and local potentials are not. D. Action potentials are not decrimental and local potentials are.
Stretch of the uterus causes the posterior lobe of the pituitary to release
A) oxytocin (OT). B) antidiuretic hormone (ADH). C) luteinizing hormone (LH). D) growth hormone (GH). E) adrenocorticotropic hormone (ACTH).
Pulmonary surfactant:
1.decreases alveolar surface tension. 2.promotes alveolar collapse. 3.increases elastic recoil properties of the lungs. 4.is found in excess levels in infants born prematurely.
What branch of physiology would study the effects of sunbathing on the skin?
A. cell physiology B. systemic physiology C. regional physiology D. organ physiology