Α-ketoglutarate dehydrogenase is a multi-enzyme complex analogous to: a. pyruvate kinase. b. glyceraldehyde-3-phosphate dehydrogenase. c. isocitrate dehydrogenase. d. pyruvate dehydrogenase. e. lactate dehydrogenase.

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

the answer is a and have a great day

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.