Biological Oxidation: Aerobic and Anaerobic

Which of the following best describes biological oxidation?

During biological oxidation, what particles are removed from oxidizing substances?

What typically accompanies oxidation reactions in biological systems?

What is the direct molecule that can immediately release energy in cells?

Which statement accurately describes 'redox' reactions?

What is the role of carrier molecules in biological oxidation?

What must occur for glycolysis to continue functioning?

Where are all components of the electron transport chain (ETC) located?

Which best describes the role of NADH and FADH2 in the electron transport chain?

What role do cytochromes play in the electron transport chain?

Which of the following represents the correct sequence of the three stages of food oxidation?

In anaerobic oxidation, what is the fate of H+ and e-?

Which statement correctly describes the structure of mitochondria?

How is energy derived in oxidative phosphorylation?

Which process MUST occur in the presence of oxygen?

What is the primary function of Superoxide Dismutase (SOD)?

What is the role of 'reductant' in redox reactions?

Which of the following is a characteristic true about endergonic reactions?

Which statement regarding anaerobic oxidation is correct?

How does the inner mitochondrial membrane's structure contribute to its function?

Given that both oxidative and substrate-level phosphorylation produce ATP, what most clearly distinguishes oxidative phosphorylation?

Which statement regarding the fate of pyruvate is most accurate?

NAD+, NADP+, and FAD cannot be synthesized in the body so must be supplied in the diet. These are all complex molecules containing which component?

In biological systems, what is the MAIN source of biological energy in the cellular process?

Which of the following statements describes biological oxidation?

What is the role of mobile electron carriers such as Coenzyme Q and Cytochrome c in the electron transport chain (ETC)?

Which stage accounts for almost 90% of the ATP generated by cellular respiration?

If a researcher experimentally removes Complex V from the electron transport chain, what direct effect would be observed?

Cells release energy from fuel molecules through oxidation reactions; what three things occur during these reactions (select three)?

All oxidation reactions are accompanied by reduction reactions. Which processes occur during reduction reactions (select three)?

What could best be described as the removal of electrons?

What could best be described as the gain of electrons?

Which of the following enzymes requires molybdenum as an important component?

During biological oxidation, hydrogen atoms are transported with the help of Dehydrogenase enzymes. This process is otherwise known as?

What is the important function of Hydroperoxidases in biological oxidation?

Which of these reactions apply in the process of catalytic action of Dioxygenases?

Which of these enzymes is located mainly in the endoplasmic reticulum of liver & intestine but also in the mitochondria?

Certain substances called uncouplers can disrupt the essential linkage between electron transport and ATP synthesis. By what means do they achieve this?

Cytochrome oxidase is inhibited by several substances; select any three of these from the options below:

Oligomycin is an inhibitor of oxidative phosphorylation. What specific process does it inhibit?

Which complexes are part of the mobile electron carriers within the electron transport chain?

What is the classification of enzymes involved in oxidation & reduction in the human body?

ATP molecules are the basic transporters of cellular energy. What is the approximate energy released by one molecule of ATP?

Valiomycin, an ionophore, is a:

A biochemist is studying a new enzyme and finds that it catalyzes the incorporation of one atom of molecular oxygen ($O_2$) into a substrate, with the other oxygen atom being reduced to water. Which class of enzymes does this enzyme most likely belong to?

What is the primary role of NAD+ and FAD in biological oxidation?

During aerobic oxidation, what is the final acceptor of hydrogen ions and electrons?

Which of the following is a characteristic feature of the inner mitochondrial membrane?

What role do the cristae play within the mitochondria?

Which statement accurately describes the location of the electron transport chain (ETC) components?

How do uncouplers affect oxidative phosphorylation?

Which complex does Coenzyme Q occupy position in the electron transport chain?

Which class of enzymes catalyzes the direct incorporation of oxygen into a substrate molecule?

What is the role of cytochrome oxidase within the electron transport chain?

What characteristic defines a 'reductant' in a redox reaction?

In the absence of oxygen, how is NADH recycled to NAD+ to allow glycolysis to continue?

Valiomycin acts primarily as:

What is the function of Superoxide Dismutase (SOD) in biological systems?

What is the significance of heme in the context of cytochromes?

Which of the following characteristics is associated with Cytochrome P450?

If Complex V (ATP synthase) is experimentally removed from a mitochondrial membrane, what immediate effect would be observed?

Under anaerobic conditions during intense exercise, muscle cells convert pyruvate to lactate. What is the primary reason for this conversion?

How does carbon monoxide (CO) inhibit the electron transport chain, and what is the direct consequence?

A researcher discovers a novel compound that, when added to actively respiring mitochondria, increases oxygen consumption but decreases ATP production. This compound is most likely acting as:

A biochemist is investigating a new enzyme and notices how it incoporates one atom of molecular oxygen ($O_2$) into a substrate, while reducing the other atom of oxygen to water ($H_2 O$). What class of enzymes could this likely be?