If the fatty acid portion of a fat molecule has ten double covalent bonds, the fat is said to be
A. hydrogenated.
B. polyunsaturated.
C. monounsaturated.
D. saturated.
E. disaturated.
B
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A great example of a pneumatized bone is the
A) femur. B) parietal bone. C) vertebra. D) ethmoid bone. E) mandible.
The release of neurotransmitter from a vestibular hair cell into the synapse with a sensory neuron would increase
A) when the stereocilia of the hair cell are displaced toward the kinocilium. B) in response to any mechanical stimulation of the hair cell. C) when the stereocilia are equally displaced to either side of the kinocilium. D) when the stereocilia of the hair cell are displaced away from the kinocilium.
The hepatic portal vein carries blood
A) from the kidneys. B) high in acid. C) high in nutrients. D) high in oxygen. E) All of the answers are correct.
The enzyme acetylecholinesterase causes acetylcholine to
A) form cross-bridges. B) decompose. C) be secreted from the motor end plate. D) bind to actin.