Lecture Exam 2-Microbiology

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1

Catabolism

All of the decomposition rxns in an organism taken together

context: catabolism is the rxns that breaks things down

2

Anabolism

All of the synthesis rxns in an organism taken together

context: anabolism is the run that builds things`

3

Oxidation-Reduction Rxns

Redox Reactions- any metabolic rxn involving the transfer of electrons from an electrons from donor to an electron acceptor

Context: Rxn in which electrons are accepted are called REDUCTION rxns, whereas rxns in which electrons are donated are OXIDATION rxns

4

Enzyme

an organic catalyst

context: enzymes are proteins that speed up chem rxns by lowering the activation energy needed to start the rxn

5

Fermentation

in the metabolism, the partial oxidation of sugar to release energy using an endogenous organic molecule rather than an ETC as the final electron acceptor

Context: in fermentation , electrons aren't taken to the etc, but are instead placed onto pyruvate to create a biproduct & to free up NAD+