The largest cones produced on a pine tree, the ones we are typically most familiar with, are the female
cones that contain:a.
megasporangia.
b. microsporangia.
c. pollen.
d. microspores.
e. antheridia
A
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What blood type is called the universal donor?
A. O- B. AB+ C. Ab- D. O+
After a long period of gradual evolution of protein domains, a period of explosive change (the “big
bang”) in protein domain complexity occurred at roughly the same time as the 3 taxonomic domains were undergoing rapid diversification. In which taxonomic domain was this diversification most extensive?
a. Eukarya b. Protoctista c. Archaea d. Animalia e. Bacteria
Signs and symptoms of nerve agent exposure include all of the following, EXCEPT:
A) tachycardia. B) bronchorrhea. C) constricted pupils. D) excessive salivation.
What characteristic of the S strain allows it to evade the immune system of the mice?
a. They are resistant to heat. b. The cells have a capsule. c. They are naturally competent. d. They are genetically engineered to be resistant to killing.