Asked by anmol

How does active transport differ from passive
transport?
1. Molecules move down a concentration
gradient in active transport.
2. Carrier proteins are used only in active
transport.
3. Energy is required only in active transport.
4. Energy is required only in passive transport
Answered by Ms. Sue
Unfortunately, Jiskha doesn't have a regular biology tutor.

Answered by Alison
i believe the answer is #1
Answered by drwls
It is not #1. That is a definition of diffusion.
Answered by Alison
oh my bad. sorry. biology was always tough for me
Answered by Devron
The answer would be 3.
Answered by Lizzy Wurst
1.D
2.A
3.D
4.B
5.B
100% trust me ^~^ ^_^
Answered by Someone
1. D
2. A
3. D
4. B
5. B
100% trust me I just took the test
Answered by sam
thx ^_^
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