What you’ll learn3 learning objectivesChoose one objective for a focused lesson, or study the complete topic.3.3.1Active transport as the movement• Describe active transport as the movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration (i.e. against a concentration gradient), using energy from respirationSyllabus objective3.3.2Importance of active transport• Explain the importance of active transport as a process for movement of molecules or ions across membranes, including ion uptake by root hairsSyllabus objective3.3.3Protein carriers move molecules or• State that protein carriers move molecules or ions across a membrane during active transportSyllabus objective