The injectable pain-killing drug called Prialt is an improvement over morphine-type drugs because it ____.
A) can easily be extracted from cone snails
B) is less expensive to produce than morphine
C) also removes the memory of pain from the affected person
D) is not addictive
E) is from invertebrates
Correct Answer:
Verified
Q49: Four of the five answers listed below
Q50: Both the largest and fastest invertebrates are
Q51: A digestive system with _ is able
Q52: Which annelid subgroup has many chitin-reinforced bristles
Q53: Each tapeworm proglottid contains _.
A)sperm only
B)fertilized eggs
Q55: Which animal(s) have four pairs of walking
Q56: Which are deuterostomes?
A)annelids
B)echinoderms
C)arthropods
D)mollusks
E)flatworms
Q57: A water-vascular system is unique to the
Q58: A typical sponge is _ because it
Q59: The most diverse animal group is the
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