Answer:
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.
Fire extinguishers and fire blankets are used when fires are in a lab
For 23., you have to find a way to measure your heart rate not increase it. search it up on google.