If a person is choking, the __________ maneuver can be used to expel food from their trachea. Fill in the blank(s) with the appropriate word(s)
Heimlich
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In the fungus pictured, which of the following structures is indicated by C?
A. mycelium B. hyphae C. fruiting body D. spores E. rhizoid
The origins of replication in eukaryotic chromosomes are spaced about every _______ base pairs
A. 100,000 B. 1000 C. 100 D. 10 E. 500
The evolution of new species
A. always takes millions of years. B. can take place in one generation. C. is a rare event over hundreds of millions of years. D. is not occurring today.
In a frog embryo, gastrulation
A. is impossible because of the large amount of yolk in the egg. B. proceeds by invagination and involution as cells roll over the dorsal lip of the blastopore. C. occurs within the inner cell mass that is embedded in the large amount of yolk. D. produces a blastocoel displaced into the animal hemisphere. E. occurs along the primitive streak in the animal hemisphere.