What are the three glands that produce the liquid portion of semen?
A. prostate, seminal vesicles, bulbourethral
B. hypothalamus, prostate, Leydig
C. Leydig, prostate, bulbourethral
D. seminal vesicles, hypothalamus, bulbourethral
E. seminal vesicle, Leydig, hypothalamus
A. prostate, seminal vesicles, bulbourethral
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During tryptophan synthesis in Escherichia coli, the 1:2 attenuator sequence of mRNA is called the pause loop.
Answer the following statement true (T) or false (F)
Microbial ecology is the study of
A) microbial processes in the rhizosphere that benefit plant growth. B) the diversity and activities of microorganisms. C) the grouping and classifying of microorganisms. D) microorganisms in their natural environments.
Species interactions between members of a
community include __________, which harms both species. Fill in the blank(s) with the appropriate word(s).
Mycorrhizal fungi
A. are a type of lichen B. are in a mutualistic relationship C. help plants gather solar energy D. help plants gather inorganic nutrients E. Both b and d are correct