The following descriptions are for the components of oxidative phosphorylation.

Question

The following descriptions are for the components of oxidative phosphorylation. List the name of the complex, coenzyme, cytochrome, or enzyme describe. a. Combines oxygen and protons to make water. Pumps protons across the membrane. b. Mobile carrier of e^-. Moves in the intermembrane space. c. Also known as ubiquinone and is soluble in the lipid membrane. d. Utilizes FADH_2 e. Utilizes NADH/H^+ to pump protons across the membrane. f. Protons flow through this from high concentration to low concentration and ATP is produced. g. Delivers e^- from CoQH_2 to cytochrome c. Chemical energy from ATP production can be converted to other types of energy in the body. List two types of energy that chemical energy can be converted to and given and example for each. a. ___ b. ___ Depending on condition and the organism, pyruvate is converted into different molecules. For each of the following, fill in the molecule that pyruvate is converted into on the line under the organism. Human - Normal Cell Human - Cancer Cell Yeast

Explanation / Answer

Ans 2 a: cytochrome c oxidase or complex IV performs this reaction. The cofactors of enzyme are Mg, Zn and Cu. It consists of 13 subunits and two heme groups.

Ans 2b: cyt c or cytochrome complex. It is a heme protein.

Ans 2c: it refers to coenzyme Q10.

Ans 2d: succinate Q oxidoreductase utilises FADH2. It is a heme protein utilising FAD as cofactor.

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