<span>L-amino acids and D-sugars are part of every protein.
All proteins are made up of them.
The fact that all biological systems use L-amino acids and D-sugars is linked with the idea that certain groups of organisms come from a common ancestor because. The reason is that if the common ancestors used L-amino acids and D-sugars, than its offsprings use them as well.
</span>
Answer:
I think its spring tides but I got it off Google so dont come for me if its not.....
The biosphere is everything that makes up life like plants and animals for instance but ecosystem is all the living and nonliving factors that affect the area hope this helps
<span>It can be difficult to provide care in the family nursing arena because at times nurses must do unpleasant or unagreeable tasks with or for the patient that the family, not fully understanding just why their relative must suffer through minor difficulties while undergoing a major medical difficulty, do not agree with.</span>
