Unit 2 -Metabolism 0.0 / 5 ? BiologyMetabolismScottish HighersSQA Created by: katmarnerosCreated on: 27-12-15 20:43 Cell Metabolism All of the chemical reactions that take place within a cell 1 of 10 Two types of metabolic reactions 1. Catabolic 2. Anabolic 2 of 10 Catabolic Reactions Break down of complex molecules into simpler subunits (degradation) 3 of 10 Anabolic Reactions Build up of complex molecules from simpler subunits (synthesis) 4 of 10 These two types of reactions are always linked by ___ and controlled by _______ Linked by ATP and controlled by ENZYMES 5 of 10 Metabolic Pathways Series of chemical reactions that start with a substrate and finish with an end product. 6 of 10 What controls metabolic pathways? Gene expression and the prescence/absence of specific ENZYMES 7 of 10 Metabolic pathways can be ________ or ________, and contain ________ ________ REVERSIBLE or IRREVERSIBLE and contain ALTERNATIVE PATHWAYS 8 of 10 What determines the direction and rate of reversible metabolic reactions? The concentration of a substrate and the product 9 of 10 Metabolic pathways can be blocked as a result of.... Gene mutation (S.I.D. substitution/insertion/deletion) 10 of 10
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