Which of the Following Molecules Add Stiffness and Strength to the Plasma

question 74

Multiple Choice

Which of the following molecules add stiffness and strength to the plasma membrane?

• A) glycoproteins
• B) cholesterol
• C) phospholipids
• D) enzymatic proteins
• E) phosphate groups

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Definitions:

Glycoprotein

Glycoproteins are proteins that have sugar molecules attached to them, playing crucial roles in cell-cell recognition and immune responses.

Covalently Linked

Atoms connected by covalent bonds, where they share one or more pairs of electrons to achieve stability.

Integral Proteins

Proteins that are permanently attached to the membrane, playing critical roles in cell signaling, structure, and transport.

Lipid Bilayer

A double-layered structure formed by lipids that constitutes the main component of all cell membranes, providing barrier and structural integrity to cells.