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Owens Micro Exam II

QuestionAnswer
apoenzyme + coenzyme = Haloenzyme
anabolism protein synthesis in ribosome
Name the four characteristics of an enzyme. globular protein increases the rate of a reaction is not used up is very specific in activity
catabolism breakdown of large molecule release energy
In this metabolic pathway which enzyme is catalyzed in the second reaction a ------>b----->c---->d------>e b
apoenzyme +cofactor =haloenzyme is an example of what type of model? lock and key model
what is metabolism? all chemical reactions that take place with a cell
what is enzyme regulation? regulation by chemical inhibitors
define gene induction excess substrate(inducer) turns the gene on results in an increase in enzyme synthesis
define gene repression excess product (repressor) turns the gene offresults in a decrease in enzyme synthesis
ATP is produced through the catabolism of nutrients true
ATP is not used in anabolic processes False
Glycolysis occures in the cytoplasm of all cells True
Glycolysis occures in the cytoplasm of all cells False
Glycolysis is an aerobic process False
Glycolysis is converted to pyruvic acitate False
Glycolysis produces 2 pyruvicacid +2 ATP + 2 NADH True
pyruvic acid is not the end product of glycolysis False
The central metabolite that leads to several metabolic pathways including fermentation and respiration is pyruvic acid
fermentation is what type of process ? anaerobic process
During fermentation pyruvic acid is converted into what? give an example lactic acid, Acetic acid, Propionic acid, Butanediol, Formic acid, Succinic acid, Ethanol + CO2, CO2 + H2O
What is the energy yeild of fermentation? 2 ATP
Pyruvic acid can be metabolized into many different ways, name two Acetic acid, Propionic acid, CO2+ H2O, Butanediol, Formic acid, Succinic acid, Lactic acid, Ethanol +CO2
Lactobacillus produces Acetic acid. False
Escherichea is a Heterolactic organism. True
Organisms that produce Lactic acid are called. Homolactic
Bacillus is a Homolactic or a Heterolactic organism? Homolactic
Streptococcus is fermentor of what type of acid? Lactic acid
Respiration is a __________ process. aerobic
Acetyl-CoA synthesis, Krebs cycle and Electron Transport are all involved in _____________. Respiration
Pyruvic acid is converted to CO2 and H2O during ____________. Respiration
Transition reaction is another name for ____________. Acetyl-CoA synthesis
Transition reaction occurs in the_____________ of Eukaryoric cells and the cytoplasm of Prokaryotic cells. Mitochondria
Pyruvic acid is converted into acetyl sugar which binds with Coenzyme A during _______________ synthesis. Acetyl-CoA
Acetyl-CoA does not feed into the Krebs cycle False
Created by: Ken
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