The type of transport that is specific, which requires specific carrier molecules and energy is

Membrane-bound organelles that contain powerful enzymes found in cells are known as

Label the parts of the cell.

In bacteria, fungi, and plants the high internal pressure generated by osmosis is counteracted by the mechanical strength of their

________ is the net movement of substances to regions of lower concentration.

Glycoproteins and glycolipids are examples of _______ associated with the cell membrane.

On the outer surface of the plasma membrane there are marker molecules that identify the cell-type. Often these molecules are

The _________ is not only responsible for the cell’s shape and movement, but it also provides a scaffolding at certain locations of the cytoplasm for some enzymes and macromolecules.

Liver cells secrete most blood proteins. What organelle is particularly abundant in liver cells?

A cell biologist treats a cell so that oxygen cannot diffuse across the membrane. Which organelle will be directly affected?