There are four main groups of organic molecules<span> that combine to build cells and their parts: carbohydrates, proteins, lipids, and nucleic acids. So it would be C. Lipids</span>
The carbohydrates, fats and proteins we eat and drink provide calories for us (and alcohol as well if we choose to consume it). Sometimes people refer to these nutrients as "energy yielding".
Answer:
peptidoglycan
Explanation:
Virtually all bacteria contain peptidoglycan in their cell walls; however, archaea and eukaryotes lack peptidoglycan. Various types of cell walls exist in the archaea. Therefore, the absence or presence of peptidoglycan is a distinguishing feature between the archaea and bacteria.
