Active  transport

Flashcards by , created almost 6 years ago

Biology Flashcards on Active  transport, created by Izz on 12/04/2013.

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Created by Izz almost 6 years ago
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Question Answer
Why do cells use active transport? To absorb substances across partially permeable membranes
In what direction does the substances travel during active transport? AGAINST the concentration gradient
What does active transport require? The use of energy released in respiration
Give an example of when active transport is carried out by cells? - Active transport is used by roots to absorb mineral ions - By kidney tubules to reabsorb glucose
What is meant by against the concentration gradient? Particles move from a region of lower concentration to a region of higher concentration
Describe the steps of Active transport in a cell Untitled.jpg (image/jpg)
Describe how Active transport is used in Roots Untitled3.jpg (image/jpg)