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What protein makes up a sponge?

Updated: 8/10/2023
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MollyBland

Lvl 1
10y ago

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The flexible protein fibers that make up a sponge are called spongin. The hard, tiny spikes found in sponges are called spicules, and they are made of silica or calcium carbonate.

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Wiki User

10y ago
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Wiki User

14y ago

Spicules

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Q: What protein makes up a sponge?
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