Question

Which of the following statements regarding membrane protein function is FALSE?A) membrane proteins serves as enzymesB) membrane proteins act as receptors tomolecules like hormonesC) Membrane proteins form junctions between cellsD) Membrane proteins produce phospholids

Answer 1

The correct answer is D)

Membrane proteins DO NOT produce phospholids.

Step-by-step explanation:

Phospholipids are a category of lipids that are a key part of all cell membranes. They can form lipid bilayers because of their amphiphilic characteristic. The structure of the phospholipid molecule generally consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group. The two components are usually joined together by a glycerol molecule.

The first phospholipid identified in 1847 by the French chemist and pharmacist Theodore Nicolas Gobley, in biological tissues was lecithin, or phosphatidylcholine, in the egg yolk of chickens. Purified phospholipids are produced commercially and have found applications in nanotechnology and materials science.

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Answer 2

Answer: D)

Membrane proteins produce phospholids

Step-by-step explanation:

Membrane proteins in the mitochondria do more than just generate cellular energy. The proteins in the membranes of the mitochondria are complex machines in the nanoworld that mediate the oxygen-coupled generation of energy in cells. Their role in this process is not yet understood in detail.

Membrane proteins perform a variety of functions vital to the survival of organisms: Membrane receptor proteins relay signals between the cell's internal and external environments. Transport proteins move molecules and ions across the membrane.