Martha McClintock found that the menstrual cycles of female college roommates became synchronous after 6 months of living together
She also found that armpit odors from one group of women affected the menstrual cycles of other women who sniffed the odors. These findings might indicate that
A) women have conscious control over their menstrual cycles.
B) something in the water in the dorm influences the women's cycles.
C) pheromones are involved in menstrual synchrony.
D) menstrual cycles are not influenced by nerve impulses.
E) eating the same foods causes menstrual cycles to become synchronous.
C
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The evolution of flowers and sweet-tasting fruits in response to animal pollinators are examples of ____ relationships
Fill in the blank with the appropriate word.
The cold adaptation of the octopus nervous system ____
a. is a feature of all octopus species b. is caused by Na+ ion flow out of the neurons c. relies on the temperature sensitivity of K+ channels in neurons d. is caused by K+ ion flow into the neurons e. relies on the temperature sensitivity of Na+ channels in neurons
An organism in which foreign genes have been incorporated is called a:
a. recombinant organism. b. transgene. c. polymorphism d. transgenic organism. e. recombinant.
Which of the following does not make a good target for antiviral drugs?
A) viral integration B) viral replication and assembly C) viral attachment D) viral release E) viral penetration