During the observations of a species of blue moon butterflies on the Samoan islands of Upolu and Savaii,
99% of the butterflies were originally female and only 1% were male but in only five years the male:female sex ratio had returned to nearly the expected 1:1. What caused this?
a. The tendency for Wolbachia to kill male butterflies changed.
b. Evolutionary changes in the butterflies allowed the butterflies to suppress the male-killing ef-fect of Wolbachia.
c. A and B.
d. Neither A nor B.
B
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Nocardia cause biodeterioration of rubber joints in water and sewer pipes.
Answer the following statement true (T) or false (F)
Archaeans resemble bacteria by the ____, and resemble eukaryotes by the ____
a. lack of membrane-bound organelles; presence of a nucleus b. presence of similar cell wall proteins; presence of similar rRNA sequences c. ability to perform aerobic respiration; presence of similar cell wall proteins d. lack of membrane-bound organelles; presence of introns e. presence of nucleoid region; lack of a nuclear envelope
Name the three proteins that are important in maintaining the resting potential of a neuron
What will be an ideal response?
Match each ventricle of the human brain with the region of the brain within which it is located.