In which phase of cellar respiration is glucose a substrate?

answer of this question is glycolysis

:-))

the answer is c

explanation:

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.