The first reactant and last product are the same.
There are several things that occur in the cyclic nature of the reactions in the Krebs cycle. Glucose if oxidized and reduced into ATP if oxygen is present and if there is no oxygen lactic acid is produced.
the reactions occur in the matrix of the mitochondria
The first reactant and last product are the same.
Cyclic pathway
The Krebs Cycle
Citric acid cycle
The citric acid cycle is a cyclic pathway rather than a linear pathway because it is easier to remove electrons and produce CO2 from compounds with three or more carbon atoms that form a two-carbon compound such as acetyl CoA.
The first reactant and last product are the same.
Because of it's [cyclic] efficiency.
Cyclic pathway
The first reactant and last product are the same.
yes
The Krebs Cycle
Krebs cycle refers to the sequence of reactions that allow living cells to generate energy during aerobic respiration.
During the Krebs cycle,pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
The Mitochondrial Matrix Contains The Enzymes Needed To Catalyze The Reactions Of Krebs Cycle.
The Krebs cycle occurs in the matrix of the mitochondrion. It occurs only in aerobic conditions, that is, only when oxygen is present. Its main function is to oxidise acetyl CoA generated from glycolysis. In the Krebs cycle, acetyl CoA and oxaloacetate undergo a condensation reaction to form a six-carbon compound. Through a series of decarboxylation and dehydrogenation reactions, intermediate 5-carbon and 4-carbon compounds are formed with the release of carbon dioxide. 1 ATP molecule is generated per turn of the Krebs cycle by substrate level phosphorylation; hence 2 ATP molecules are formed per molecule of glucose. Most fo the chemical energy is transferred during the redox reactions where the electron carriers NAD and FAD are reduced to form coenzymes NADH and FADH2, respectively. The Krebs cycle is also cyclic as the starting product, oxaloacetate, is regenerated.
The first reactant and last product are the same.
Krebs cycle