http://www.biology4kids.com/files/cell2_activetran.html

Biology4Kids.com! This tutorial introduces active transport in cells. Other sections include plants, animal systems, vertebrates, and microorganisms.

https://www.biology-online.org/dictionary/Active_transport

Aug 27, 2017 ... Definition. noun. A kind of transport wherein ions or molecules move against a concentration gradient, which means movement in the direction ...

https://en.wikipedia.org/wiki/Active_transport

In cellular biology, active transport is the movement of molecules across a membrane from a ... Antiport and symport processes are associated with secondary active transport, meaning that one of the two substances is transported against its ...

https://www.dictionary.com/browse/active-transport

Active transport definition, the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of ...

https://www.khanacademy.org/science/high-school-biology/hs-energy-and-transport/hs-passive-and-active-transport/v/introduction-to-passive-and-active-transport

Introduction to passive and active transport. ... And, that's the idea in Biology of Active versus Passive Transport. So, let's start with, maybe, the more pleasant ...

https://www.khanacademy.org/science/high-school-biology/hs-energy-and-transport/hs-passive-and-active-transport/a/hs-active-transport-review

Read and learn for free about the following article: Active transport review. ... Term, Meaning ... Image credit: OpenStax Biology. Image modified from original ...

https://www.khanacademy.org/science/biology/membranes-and-transport/active-transport/a/active-transport

Instead, the cell must bring in more glucose molecules via active transport. ... In fact, living cells typically have what's called a membrane potential, ... millivolts, with the minus sign meaning that inside of the cell is more negative than the outside ...

https://biologydictionary.net/active-transport/

Active transport requires energy. It is most commonly accomplished by having a transport protein which changes shape when it binds with the cell's “fuel,” a ...

https://www.bbc.com/bitesize/guides/zc9tyrd/revision/5

Revise how substances can move into and out of cells through diffusion, osmosis and active transport.

https://courses.lumenlearning.com/biology1/chapter/active-transport/

Active transport mechanisms require the use of the cell's energy, usually in the form of adenosine triphosphate (ATP). If a substance must move into the cell ...