Biology Unit 1 3.0 / 5 based on 1 rating ? BiologyUnit 1 topicsASEdexcel Created by: Today's pursuitCreated on: 17-10-13 21:38 What type of protein is an enzyme? Globular 1 of 3 What is active transport? Active transport uses energy (ATP) to move molecules and ions through a carrier protein, against a concentration gradient. 2 of 3 What takes blood from the lungs back to the heart? Pulmonary vein 3 of 3
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