Which statements about complex IV are true? 1) This complex catalyzes the reduction of oxygen to water. 2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced. 3) The protons flow across a gradient to the inner membrane space. 4) Conformational changes as electrons flow through the complex alter the ability of some residues to bind protons. Which statements about complex IV are true? 1) This complex catalyzes the reduction of oxygen to water. 2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced. 3) The protons flow across a gradient to the inner membrane space. 4) Conformational changes as electrons flow through the complex alter the ability of some residues to bind protons. Statements 1, 2, and 3 are correct. Statements 1 and 4 are correct. Statements 1, 2, and 4 are correct. Statements 2, 3, and 4 are correct.

Question

Chemistry

Paige Larson

19 June, 06:32

Which statements about complex IV are true? 1) This complex catalyzes the reduction of oxygen to water. 2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced. 3) The protons flow across a gradient to the inner membrane space. 4) Conformational changes as electrons flow through the complex alter the ability of some residues to bind protons. Which statements about complex IV are true? 1) This complex catalyzes the reduction of oxygen to water. 2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced. 3) The protons flow across a gradient to the inner membrane space. 4) Conformational changes as electrons flow through the complex alter the ability of some residues to bind protons. Statements 1, 2, and 3 are correct. Statements 1 and 4 are correct. Statements 1, 2, and 4 are correct. Statements 2, 3, and 4 are correct.

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Answers (1)

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Taylor Buckley · Answer 1

The answer is 1, 2, 3 for the first question and 1,2,3 again for the second question.

Explanation:

The true statements about complex IV are:

1) This complex catalyzes the reduction of oxygen to water.

2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced.

3) The protons flow across a gradient to the inner membrane space.

The true statemennts about complex IV are:

1) This complex catalyzes the reduction of oxygen to water.

2) Despite consuming protons, this complex pumps H + across the membrane at a rate of 4 per molecule of O2 reduced.

3) The protons flow across a gradient to the inner membrane space.