What breathing abnormalities can occur in neonatal mammals exposed to nicotine?
a. reduced ventilator output.
b. increased duration of apneas.
c. SIDS.
d. reduced ventilator output and increased duration of apneas.
e. reduced ventilator output, increased duration of apneas and SIDS.
D
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Manatees and dugongs belong to the order:
a. Pinnipedia. b. Cetacea. c. Carnivora. d. Sirenia. e. Fissipedia
Edward Jenner's work in preventing rabies led to the use of the term vaccination to describe a type of procedure used in the prevention of disease.
Answer the following statement true (T) or false (F)
Which pair of words is incorrectly matched?
a. tail end ? posterior b. mesoderm ? muscles c. coelom ? n? body cavity d. deuterostomes ? radial cleavage e. triploblastic ? bilateral organism
The clearing made by bacteriophages in a "lawn" of bacteria on an agar plate is called a ________
A) host range B) plaque C) lysogenic zone D) prophage E) clear zone