Please help me with this question? What are the functions of the high-energy electrons in the electron transport chain?

They make ATP from ADP.

They create ATP synthase.

They carry NADH and FADH2.

They hold water bonds.

Which sequence correctly shows the path of carbon dioxide during repiration?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement