BIOCHEM2-CH11

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Assign the definition to the term. 1) autotroph A) organism deriving metabolic energy in the absence of oxygen 2) heterotroph B) synthesizes glucose and all their other organic compounds from inorganic carbon, supplied by carbon dioxide 3) aerobic C) coupling of energy generation to the oxidation of nutrients by oxygen 4) anaerobic D) synthesizes their organic metabolites only from other organic compounds, which must be consumed

1B; 2D; 3C; 4A

Substrate-level phosphorylation is a term given to product formation resulting in ________.

ADP Phosphorylation

Levels of ATP and ADP are partly maintained in cells by ________.

Adenylate kinase

ATP can be used to activate a substrate by ________.

Both phosphorylation and adding a nucleotidyl group

The ultimate product of complete oxidation of carbohydrates is ________.

Carbon dioxide

Which of the following cannot be used as a metabolic control mechanism?

DNA repair

Reactions in metabolic pathways that are subject to regulation are those that are displaced far from ________.

Equilibrium

The flow of material through a metabolic pathway is called the ________

Flux

The degradation of which class of biochemical does NOT significantly contribute to the release of energy to cells?

Nucleic acids

Name the type of reaction that involves reversible electron transfer between a donor and an acceptor.

Oxidation-reduction

Thioesters are similar to oxygen esters of carboxylic acids EXCEPT that ________.

They are less stable because S is present instead of O in the linkage

What important high energy functional group is shown in molecule shown?

Thioester

Metabolic pathways that involve the degradation of large molecules to smaller ones are classified as ________

catabolic


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