What is the name given to the respiratory ailment in which the bronchioles constrict severely?
a. pleurisy
b. emphysema
c. bronchitis
d. laryngitis
e. asthma
E
Biology & Microbiology
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An ancient class of echinoderms whose members are suspension feeders with long, feathery arms is called:
a. Asteroidea. b. Crinoidea. c. Ophiuroidea. d. Echinoidea. e. Holothuroidea.
Biology & Microbiology
Secondary xylem is formed in association with the
a. pith. b. inner face of vascular cambium. c. outer face of vascular cambium. d. inner face of cork cambium. e. outer face of cork cambium.
Biology & Microbiology
Science is ________
A) the inquiry-based effort to describe and explain nature B) the search for truth C) an organized set of principles for how to behave ethically and morally D) all of the above
Biology & Microbiology
In what way can loss of heterozygosity lead to cancer?
What will be an ideal response?
Biology & Microbiology