As a result of his experiments with roosters, Berthold concluded that

A) the testes secrete testosterone.
B) the testes release a masculinizing chemical into the blood.
C) hormones are important for homeostasis.
D) castration has different effects in birds than in mammals.

Answer: A) the testes secrete testosterone.

Psychology

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Describe the function of one agonist and one antagonist and how the two types of drugs generally differ

What will be an ideal response?

Psychology

Cognitive psychologists acknowledge that mental processes are not directly observable to the eye, but assert that they ____

a. ?are at least as important as unconscious processes b. ?can be inferred from performance data c. ?are still primarily the result of biological influences d. ?cannot be indirectly observed either

Psychology