What would happen if glycolysis could not happen in a cell? O A. The cell would use anaerobic respiration.
O B. The cell would not produce ATP molecules.
O C. The cell would produce more energy.
D. The cell would begin fermentation.

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organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.