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ra1l [238]
3 years ago
8

The defining characteristics of active transport are that this category of transport moves substances _________ their concentrat

ion gradient and requires ___________.
Biology
1 answer:
Nataly [62]3 years ago
8 0

Answer:

<h2>Against; energy. </h2>

Explanation:

1. Active transport is the transport of molecules, in that the particles move across a membrane from a region of lower concentration to a the region of higher concentration with the help of energy.

2. Active transport is the energy-requiring process and results in the transportation of molecules and ions across membrane against a gradient called uphill transport.  

3. Example: The Sodium-Potassium pump.

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