What is the difference between inherited and environmental variation?

What do nitrifying bacteria convert

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.