The molecular structure of peptide hormones involves

A) four interconnected rings of carbon atoms.
B) short chains of amino acids.
C) long chains of amino acids.
D) modified tyrosine molecules.

Answer: B) short chains of amino acids.

Psychology

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This midbrain structure plays a central role in the development of Parkinson's disease

a) the reticular formation b) the substantia nigra c) the thalamus d) the hypothalamus

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In as study by Wisman & Koole (2003), students who pondered their own death tended to prefer to ________, whereas students who pondered their feelings about watching TV tended to prefer to ________

A) affiliate; isolate B) isolate; affiliate C) cry; show no emotion D) laugh; show no emotion

Psychology