chapter 3

Select all that apply Select all of the characteristics of organelles.

contain distinct proteins studded with membrane proteins surrounded by membranes

Select all of the functions of cell walls

impart shape prevent the cell from bursting regulate cell volume

Select all of the following that correctly describe Archaean cells.

lack nuclei and organelles most have cell walls can have flagella

Select all of the following that differ between domains Bacteria and Archaea.

molecules that compose the membranes evolutionary relationship to eukaryotes

Select all of the cell parts that are involved in the endomembrane system.

nuclear envelope lysosomes endoplasmic reticulum Golgi apparatus

Select all of the following that are found in the cytoplasm, outside the nuclear membrane.

organelles ions and enzymes cytoskeleton

Select all of the following types of organisms that usually have cell walls.

plants bacteria algae archaea fungi

Select all the roles that membranes play in cells.

receive and respond to external stimuli transport substances into and out of the cell enclose organelles in eukaryotic cells

Select all of the following that are able to pass freely through the phospholipid bilayer without the assistance of transport proteins.

small nonpolar molecules O2 and CO2 lipids

Select all of the following that may be components of cell membranes. Multiple select question. steroids

steroids proteins phospholipids