Aphid-Buchnera Symbiosis
What will be an ideal response?
-aphid
-Buchnera endosymbiont: Bacteriocyte
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How does the male gametophyte travel to the female gametophyte of the conifers?
a. insects b. self-pollination c. birds d. wind
Which of the following is not a difference between prokaryotic and eukaryotic gene expression?
A. In prokaryotes, transcription and translation can be done simultaneously. B. Eukaryotic mRNAs are extensively processed before translation. C. Prokaryotic mRNAs have very short half-lives. D. Bacterial mRNAs contain no untranslated regions. E. Prokaryotic mRNAs may be polycistronic.
The portion of the nervous system that most directly controls skeletal muscles is the:
A) afferent. B) sympathetic. C) autonomic. D) somatic. E) parasympathetic.
Which plants are characterized by a conducting system, the possession of cuticles, specialized stems, and roots, stomata, and, in many species, seeds?
A. Mosses B. Horsetails C. Tracheophyte D. Liverworts E. Club mosses