In women, blocked oviducts can result from sexually transmitted diseases
a. True
b. False
True
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A group is considered monophyletic if
A. all members of the group share a common ancestor that is included in the group. B. not all descendants of the common ancestor are included. C. all members share homoplastic traits. D. the group does not contain the most recent common ancestor. E. it is the most parsimonious grouping.
The condition in which there are barries to successful interbreeding between individuals of different species in the same community is referred to as
A. latent variations B. Sterility C. structural differences D. Geographic isolation E. reproductive isolation
The plasmid- or transposon-encoded ________ gene functions as BOTH an activator and a repressor of mercury resistance genes
a. hgp b. MerA c. MerP d. MerR
Which description goes with number 2?
A) Carrier is contaminated but not infected. B) Carrier has infection but it is not apparent. C) Carrier transmits infection before or after the period of symptoms.