Biochemistry Chap. 16 Tcc

Front 1

Aerobic phase of catabolism . Further oxidation of Pyurvate to Acetyl Co-A into H20 and C02. Cells comsume O2 and produce H20

Back 1

Cellular Respiration

Front 2

Pyurvate oxidized to Acytl Co A from this Enzyme. Co2 gas also formed

Back 2

PHD (Pyruvate dehydrogenase complex). Also called an oxidative decarboxylation. Irreversible oxidation.

Front 3

An ester of carboxylic acid with a thiol or mercatan

Back 3

Thioester

Front 4

A vitamin for some microorganisms; an intermediate carrier of hydrogen atoms and acyl groups in a-keto acid dehydrogenases

Back 4

Lipoate

Front 5

Movement of the chemical intermediates in a series of enzymcatalyzed reactions from the active site of one enzyme to that of the next enzyme in teh pahtway without leaving the surface of a protein complex that includes both enzymes.

Back 5

Substrate channeling

Front 6

A prosthetic group of cetain redox proteins invoved in electron transfers; Fe +2 or Fe+3. Bound to inorganic sulfur and teh Cys groups in the protein.

Back 6

Iron sulfur Center

Front 7

An enzyme that catalyzes the transfer of the terminal phosphate of a nucleoside 5'-triphosphate to a nucleoside 5-diphosphate

Back 7

Nucleoside diphosphate kinase

Front 8

Enzymes that catalyze condensations reactions in which no nucleoside triphosphate is required as an energy source

Back 8

Synthases

Front 9

Enzymes that catalyze condendation reactions in which no nucleoside triiphosphates is required as energy source.

Back 9

Synthetases

Front 10

Enzyme that catalyze condensation reactions in which two atoms are joined using the energy of ATP or naother energy rich compound

Back 10

Ligases

Front 11

Enzyme that catalyze the removal of a group from a molecule to form a double bond, or the additon of a group to a double bond.

Back 11

Lyases

Front 12

Enzymes that catalyze the phosphorylation of certain molecules of ATP

Back 12

Kinases

Front 13

Enzymes that catlyze phosphorylsis

Back 13

Phosphorylases

Front 14

Enzymes that hydrolyze a phosphate ester or anhydride, releasing inorganic phosphate Pi.

Back 14

Phosphatases

Front 15

A symmertric molecule that can react asymmertically with an enzyme having an asymmetric active site, generating a chiral product.

Back 15

Prochiral molecule

Front 16

A metobolic pathway used in both catabolism and anabolism

Back 16

Amphibolic pathway

Front 17

An enzyme catalyzed reaction that can replenish the supply of intermediates in the citric acid cycle.

Back 17

Analplerotic reaction

Front 18

A vitamin; an enzymatic cofactor involved in carboxylation reactions

Back 18

Biotin

Front 19

A supermolecular assembly of sequential metabolic enzymes.

Back 19

Metabolon

Front 20

A variant of the citric acid cycle, for the net conversion of acetate into succinate and, eventually, new carbohydrate, present in bacteria and some plant cells

Back 20

Glyoxylate cycle