Digestion in a sponge takes place in:

A. the osculum.
B. individual cells.
C. the spongocoel.
D. the spicule.
E. the mesophyll.


B

Biology & Microbiology

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Which group includes the simplest of organisms that do not have a nucleus?

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If Raf is mutated so that it is "on" constitutively, what is the effect on the cell?

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