Question

What kinds of molecules are found in cells in close proximity that have loop and hook-shaped proteins (like velcro)?

Answer 1

In cells, loop and hook-shaped proteins similar to velcro can be found in various molecules such as globular proteins, structural proteins, and glycoproteins.

Step-by-step explanation:

In cells, loop and hook-shaped proteins similar to velcro can be found in various molecules.

• Globular proteins: These proteins fold back on themselves to produce compact, nearly spherical shapes. Examples include enzymes, antibodies, hormones, toxins, and hemoglobin.
• Structural proteins: Make up the cytoskeleton inside cells and the scaffold outside of cells. Examples include keratin and collagen.
• Glycoproteins: These proteins interact to form junctions between cells. Examples include intercellular cell adhesion molecules (ICAMs) such as selectins and NCAMs.