6. The Membrane

Which of the following is NOT a function of membrane proteins?

Where are protein components of the extracellular matrix synthesized?

a. In the rough ER

b. In the Golgi apparatus

c. In the plasma membrane

d. In the extracellular layer itself

How do the extracellular filaments in plants differ from those in animals?

a. Plant filaments resist compression forces; animal filaments resist pulling forces.

b. Animal filaments consist of proteins; plant filaments consist of polysaccharides.

c. Plant extracellular filaments never move; animal filaments can slide past one another.

d. Plant filaments run parallel to one another; animal filaments crisscross.