During which stage of cellular respiration is glucose broken down into two molecules of pyruvic acid?
electron transport chain
glycolysis
krebs cycle
acetyl coa formation

B. Glycolysis

Explanation:

There's a "stage" between glycolysis and the citric acid cycle called aerobic respiration which includes pyruvic acid converting to acetyl-CoA This stage is considered part of glycolysis.

black

lasagna

lunch

math

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.