A college student had a depressed mood and trouble falling asleep. Which chemical neurotransmitter could cause such problems?
A. Acetylcholine
B. Epinephrine
C. Endorphins
D. Serotonin
Answer: D
Anatomy & Physiology
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The last stage in bone repair is ________
A) Hematoma formation B) Soft callus formation C) Remodeling D) Bony callus formation
Anatomy & Physiology
Three nitrogenous base sequences on mRNA, which are complementary to gene triplets, are called
A) chromosomes. B) amino acids. C) codons. D) anticodons. E) histones.
Anatomy & Physiology
Clumps of atoms that are distributed throughout a water medium are referred to as a ____
a. solution b. compound c. colloid d. solute
Anatomy & Physiology
A fertilized egg is called a/an ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology