A Land Snail, a Clam, and an Octopus All Share

question 58

Multiple Choice

A land snail, a clam, and an octopus all share

• A) a mantle.
• B) a radula.
• C) gills.
• D) embryonic torsion.
• E) distinct cephalization.

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Definitions:

Large Molecules

Molecules that are composed of a large number of atoms, often including complex structures like proteins, nucleic acids, and polysaccharides.

Fluid-Mosaic Model

Model for the plasma membrane based on the changing location and pattern of protein molecules in a fluid phospholipid bilayer.

Phospholipid Bilayer

The fundamental structure of biological membranes, consisting of two layers of phospholipids that create a barrier around cells.

Glycolipids

Molecules consisting of a carbohydrate bonded to a lipid, play key roles in cell recognition and membrane structure.