Which is NOT true about fatty acid synthesis?
A. Requires more energy than is produced by the catabolism of the same fatty acid
B. Takes place in the cytosol of cells
C. Results in molecules with an even number of carbon atoms only
D. The enzymes that catalyze it are in the same location as those that mediate fatty acid catabolism
E. Begins with a molecule of acetyl coenzyme A
Answer: D
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A __________ transmits signals from the central nervous system to skeletal muscles
Fill in the blank with correct words.
The ________ artery lies on the boundary between the cortex and medulla of the kidney.
A) lobar B) arcuate C) interlobar D) cortical radiate
Nodes of Ranvier are
A) interruptions in the myelin sheath along the course of a myelinated axon. B) collections of immune cells in the CNS. C) satellite cells that support neuron cell bodies in ganglia. D) gaps between choroids plexuses where cerebral spinal fluid emerges
Which correctly describes the heart's apex?
A. Projects slightly posteroinferiorly toward the midline of the body B. Projects slightly posteroinferiorly toward the right side of the body C. Projects slightly anteroinferiorly toward the left side of the body D. Projects slightly posteroinferiorly toward the left side of the body E. Projects slightly anteroinferiorly toward the right side of the body