Which characteristics do members of the Kingdoms Eubacteria and Archaebacteria share?
Answer: prokaryotic and unicellular
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Which structure or compartment is part of the symplast?
A) the interior of a vessel element B) the interior of a sieve tube C) the cell wall of a mesophyll cell D) an extracellular air space E) the cell wall of a root hair
A germline mutation occurs in cells that give rise to
A. nonsex cells. B. skin cells. C. diploid cells. D. liver cells. E. gametes.
How do steroid hormones differ from those derived from amino acids?
a. steroid hormones are not derived from organic molecules b. steroid hormones do not bind to plasma membrane receptors c. steroid hormones use a second messenger system
d. steroid hormones do not travel in the blood e. steroid hormones do not require receptors to function
All of the following are used in making monoclonal antibodies EXCEPT which one?
A) mouse T cells from thymus B) mouse B cells from spleen C) specific antigen injected into mouse D) myeloma (cancer) cells E) cell culture media for hybridoma cells