Regarding olfaction, which of the following statements is FALSE?
a. Humans carry genes for about 1,000 types of smell receptors, but only about 400 of them are actually expressed.
b. Humans can detect at least 10,000 different odors.
c. The loss of sensitivity to a specific type of odor is known as agnosia.
d. Specific shapes of molecules have been found to produce different odors, such as floral, camphoric, musky, minty, and etherish.
C
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The Eskadors battle with a neighboring group, the Uminiacs, for control of a valley that contains rich, productive farmland. The Eskadors and Uminiacs are experiencing ___ conflict.
a. personal b. substantive c. procedural d. mixed-motive e. intergroup
Popular individuals maintain their status in the social group during adolescence
a. exclusively by being kind to others. b. exclusively by bullying others. c. through a combination of prosocial and aggressive behavior. d. by continual low levels of aggression.
The immune system must recognize and remove foreign materials called
a) antigens. b) lymphocytes. c) adrenocorticoids. d) positron emissions.
Chronic fatigue syndrome is a clinical condition with symptoms that are readily explainable
Indicate whether the statement is true or false