Pls help ASAP which two macromolecules play a central role in transcription and translation?

Nucleic acids and proteins
Carbohydrates and lipids
Protein and carbohydrates
Lipids and nucleic acids

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a