What does pigment do? *

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function

The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport