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Compound
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Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

Someone me with this: a mineral' is determined by its actomic structure.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above