The movement of water across cell membranes is carefully regulated by _____ within and surrounding the cell.
a. adjusting the rates of facilitated diffusion
b. controlling the intake of protein
c. modifying active and vesicular transport
d. concentrating various solutes
Question 2
What regulates the rate of facilitated diffusion?
a. Net movement of water across the cell membrane
b. Level of energy available to support the transport
c. Membrane-bound transport protein
d. Permeability of the cell membrane
Cell Cycle
Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g
Distribution of Earth's Water
Water-based Diseases
The Distribution of Water on Earth
Energy homeostasis is regulated primarily by the brain, gastrointestinal tract, other organ systems,