Exocytosis occurs as a result of
A. hydrostatic pressure.
B. the expenditure of energy in the form of ATP.
C. molecular movement with carrier assistance.
D. concentration gradients.
E. ion pumps.
B
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Which one of the following associations is incorrect?
A) tectorial membrane—superior continuation of the posterior longitudinal ligament B) cruciate (cruciform) ligament—composed of the transverse ligament of the atlas and the longitudinal bands C) rupture of the transverse ligament of the atlas—atlantoaxial subluxation D) rupture of the alar ligaments—increased range in head movements E) fracture of the dens—anterior dislocation of C3–C5 vertebrae
Many health food stores carry enzyme preparations that are intended to be ingested orally (by mouth) to supplement existing enzymes in various organs such as the liver, heart, and muscle. Use your knowledge of the digestion process to explain why these preparations are unlikely to be effective as advertised
What will be an ideal response?
An atom has an atomic number of 19 and a mass number of 39. This atom will have ________ neutrons.
A. 20 B. 58 C. 39 D. 19
Receptors stimulated by the physical forces that cause movement of fluid or vibration within the body are:
A) proprioceptors B) thermoreceptors C) chemoreceptors D) gustatory receptors E) mechanoreceptors