Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
facilitated diffusion
Directory
References
Images
different types of membrane transport
Discover
Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.
Uninvited Guests: The 7 Worst Parasitic Worms
Middle East bee locator map
Are the Middle East and the Near East the Same Thing?
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
Close up of praying mantis walking on stone ground against a blurred background in Japan
6 Animals That Eat Their Mates
airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day
Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)
Time zone map with standard time zones and International Date Line
Why Are Some Time Zones 30 Minutes Off Instead of an Hour?

facilitated diffusion

biochemistry

Learn about this topic in these articles:

dynamics of cellular transport