TCA Cycle Flashcards
Instead of the original De Na De Na A Fa Na model learnt during A levels, what is the new and more accurate model for the TCA cycle?
Na De Na De GA Fa Na
What is the name of the starting molecule put into the TCA cycle, coming from the Link Reaction and how many carbon atoms does it have?
Acetyl Co-enzyme A
2
How many molecules of NADH are formed during the TCA cycle?
3
How many molecules of FADH are formed during the TCA cycle?
1
What is FAD formed from and what is the more commonly known name for this molecule?
Riboflavin
Vitamin B2
What can a deficiency of the molecule that forms FAD, lead to?
Lesions of the mucous membranes
Where does the TCA cycle chain of reactions take place?
Matrix of the mitochondria
What type of molecule is acetate (i.e. ketone, alcohol, etc.)?
Carboxylic Acid
Which vitamin does coenzyme A contain?
Vitamin B5 - pantothenic acid
What type of molecule is oxaloacetate?
Keto acid
What type of reaction is the first step in the TCA cycle? (Oxaloacetate (4C) + Acetyl (2C))
Condensation Reaction
Name the three large protein complexes that make up the respiratory chain.
NADH-Q reductase
Cytochrome reductase
Cytochrome oxidase
Name the two ‘electron shuttles’.
Coenzyme Q (aka. Ubiquinone) Cytochrome c
How do cyanide and carbon monoxide act?
They act to inhibit the final step of oxygen combining with hydrogen
Which membrane is the protein gradient set up along?
Inner mitochondrial membrane
