Which of the following is not a "natural" means of transferring DNA in prokaryotes?
A) conjugation
B) electroporation
C) transduction
D) transformation
E) infection
B) electroporation
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The living members of the ____ lineage, the hagfishes, are jawless vertebrates with axial skeletons composed of only a cranium and a notochord.
a. Petromyzontoidea b. Placodermi c. Cephalochordata d. Urochordata e. Myxinoidea
Adaptations for deep diving in cetaceans include all the following except:
a. large amount of hemoglobin. b. large amount of cholesterol. c. lowered sensitivity to lactic acid. d. high levels of myglobin. e. decreased metabolism.
Ventilation refers to the process by which
A) gases are exchanged between the cells and the lungs. B) gases are exchanged between the air and the blood. C) air moves into and out of the lungs. D) gases are exchanged between the blood and the cells. E) ATPs are produced.
People identified as "universal donors" have (A/B/AB/O) blood type.
Fill in the blank(s) with the appropriate word(s).