33. Where in cellular respiration is carbon dioxide produced?
A. glycolysis
B. electron-transport chain
C. shuttling of hydrogen ions into the intermembrane space
D. acetyl-CoA synthesis and the Krebs cycle
E. oxidation of NADH and FADH2

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle