A ______ is an individual who inconspicuously shelters a pathogen and can spread it to others without knowing
Fill in the blank(s) with the appropriate word(s).
carrier
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Looking out your window, you may notice that the bark of a nearby oak tree has a mosaic appearance, consisting of deep fissures and relatively flat areas. What accounts for this mosaic appearance? Select all correct choices
A. the formation of new cork cambia as old cork cambia grow away from the phloem B. the formation of new secondary phloem in distinct, discontinuous patches C. the formation of new cork cambia in distinct, discontinuous patches D. the formation of new vascular cambia as old cork cambia grow away from the phloem
If a gene were transferred naturally by a bacterium from a plant genome to an insect genome, it would
be an example of: a. transgender activity. b. genome shuffling. c. horizontal gene transfer. d. genome switching. e. restriction.
The enzyme that modifies the mannose group on lysosomal proteins recognizes and binds to a(n)
a. helix. b. signal sequence. c. signal patch. d. KDEL sequence.
Amongst the chordates, which features are unique to the tunicates?
A. sexual reproduction and complete digestive system B. leathery outer covering and sessile adult stage C. sessile adult stage and aquatic lifestyle D. gill slits and bilateral symmetry E. leathery outer covering and an excurrent siphon