Name Substance Needed To be Moved By Active Transport?

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It wont tell meeeeeeeeeeeeeeeeee

Posted Mon 7th January, 2013 @ 18:27 by Fizz

4 Answers

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Active transport moves substances against a concentration gradient and it can also be used to move charged molecules such as hydrogen ions

Answered Mon 7th January, 2013 @ 19:36 by Hannah
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Mineral ions in soil by roots?

Answered Mon 7th January, 2013 @ 19:58 by Joanne
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active transport is the movement of particles AGAINST A CONECNTRATION GRADIENT---

it require ATP from respiration to do this

A common example of where active transport takes place is in the small intestine where it moves SODIUM against it's concentration gradient into the blood

But then it moves GLUCOSE IN also 

so basically charged ions can be moved by active transport and anything that needs to move against a concentration gradien (from a low to high conc)

Answered Mon 7th January, 2013 @ 20:36 by anonymous
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some good exmaples for exams are ions and minerals into root hair cells, hydrogen ions out of companion cells in the phloem at the source and sucrose out of the sieve tube elements of phloem at the sink. hope this helps :)  

Answered Tue 8th January, 2013 @ 16:08 by sammy