Which two molecules are the main structures in a cell membrane Sugars and ions
Carbohydrates and proteins
Phospholipids and DNA
Phospholipids and proteins

Phospholipids and proteins

Explanation:

The cell membrane is primarily composed of a phospholipid bilayer. The phospholipid molecules are made of a hydrophilic phosphate head and a hydrophobic fatty acid tail. These form a bilayer arrangement and act as a semi-permeable membrane.

There are also many proteins embedded in the phospholipid bilayer. These proteins act as channels, shuttles, transporters, enzymes, and signalling molecules to control the access of materials that cannot cross the bilayer and to respond to the extracellular environment.

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the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation: