Cfe higher biology unit 2 WELL DETAILED terms

Cfe higher biology unit 2 terms Anabolic ANSWER – Metabolic activity that requires energy input and builds up complex molecules Catabolic ANSWER – Metabolic pathways that release energy in breakdown reactions Compartment ANSWER – Small membrane bound region of a cell Metabolic pathway ANSWER – Enzyme controlled sequence of chemical reactions in cells Metabolism ANSWER – Total of all metabolic pathways in an organism Phospholipid membrane ANSWER – Membrane of a cell made from fluid phospholipid molecules and proteins Pore ANSWER – Small gap in a membrane created by a channel forming protein Pump ANSWER – Protein in a phospholipid membrane that carries substances across it by active transport Activation energy ANSWER – Input of energy required to start a chemical reaction Active site ANSWER – Region on an enzyme molecule where the substrate binds