Cell Organelles and Structures Quiz

Site of polypeptide synthesis (translation)

Provides internal structure and mediates intracellular transport

Semi-permeable and selective barrier surrounding the cell

<p>Transports materials between organelles (smooth ER = lipids; rough ER = proteins)</p> Signup and view all the answers

<p>Site of aerobic respiration (ATP production)</p> Signup and view all the answers

<p>Site of ribosome assembly</p> Signup and view all the answers

<p>Membranous sac containing catabolic enzymes; catalyses breakdown of toxic substances</p> Signup and view all the answers

<p>Double membrane structure; inner membrane highly folded into internal cristae; site of aerobic respiration (ATP production)</p> Signup and view all the answers

<p>A membrane network that may be bare (smooth ER) or studded with ribosomes (rough ER); transports materials between organelles (smooth ER = lipids; rough ER = proteins)</p> Signup and view all the answers

<p>Two subunits made of RNA and protein; larger in eukaryotes (80S) than prokaryotes (70S)</p> Signup and view all the answers

<p>It interacts with the fatty acid tails of phospholipids to moderate the properties of the membrane.</p> Signup and view all the answers

<p>It functions to maintain integrity and mechanical stability.</p> Signup and view all the answers

<p>Phospholipid bilayers are fluid, with the phospholipids in constant movement relative to one another.</p> Signup and view all the answers