Annelids have ___.
a) a coelom
b) a pseudocoelom
c) no coleom
d) none of the above
Ans: a) a coelom
Biology & Microbiology
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Ribosomes consist of ________ separate subunits that come together as part of the initiation process and dissociate immediately after termination.
A. five B. two C. three D. four
Biology & Microbiology
What is convergent evolution and how is it different from horizontal gene transfer?
What will be an ideal response?
Biology & Microbiology
Archaea differ from bacteria in that they
A. have a nucleus. B. have membrane-bound organelles. C. have peptidoglycan in their cell walls. D. are often photosynthetic. E. None of these are correct.
Biology & Microbiology
A mature sperm consists of all of the following structures except:a
an acrosome. b. a flagellum. c. a head. d. an inguinal canal. e. a midpiece.
Biology & Microbiology