Before entering the Krebs cycle, fats, carbohydrates, and proteins are broken down into which common metabolite?
Oxaloacetate
Citrate
Acetyl CoA
Succinate
Related Questions
How does the role of in cellular respiration relate to energy production?
It directly phosphorylates ADP to ATP.
It acts as the final electron acceptor in the electron transport chain.
It transports electrons to the electron transport chain, contributing to ATP synthesis.
It provides the energy for substrate-level phosphorylation.
The final electron acceptor in the electron transport chain of aerobic respiration is:
Water
Carbon dioxide
Oxygen
NAD+
NADP, NAD and FAD are acceptors of
Phosphate
Electrons
Oxygen
Hydrogen
Which of the following statements about cell division is incorrect?
Mitosis produces genetically identical daughter cells.
Meiosis is involved in sexual reproduction.
Mitosis produces two diploid cells.
Mitosis produces genetically different daughter cells.
Maximum number of ATP is obtained from
Glucose
Palmitic acid
Malic acid
Ξ²-amino acid
Which stage(s) of cellular respiration directly involve as an electron acceptor?
Glycolysis only
Krebs cycle only
Electron transport chain only
Glycolysis, Krebs cycle, and Pyruvate Oxidation
In mitochondria, enzyme cytochrome oxidase is present in
Outer membrane
Perimitochondrial space
Inner membrane
Matrix
Following is the sequence of carboxylic acids in Krebs cyclei) OAA = oxaloacetic acidii) CA = Citric acidiii) SA = Succinic acidiv) FA = Fumaric acidv) ICA = Iso-citric acidvi) MA = Malic acidFrom the above list, pick out the carboxylic acids, which do not participate at all in the biological oxidation.
OAA & CA
SA & FA
ICA & MA
None of these
Which component of the mitochondria is primarily responsible for increasing the surface area for ATP production?
Cristae
Matrix
Outer membrane
Intermembrane space
