Not sure what the choices are but a biotic factor is anything living.
<span>Parkinson's Disease if im wrong tell me</span>
Nitrogen isn't found in carbohydrates or lipids
Answer: Protiens help provide structural support for our metabolism, and they can act as enzymes, carriers, or hormones to help us. They provide growth and maintenence and also act as messengers for our brain. They bolster our immune system and also transport/store nutrients. Basically, they do a whole lot!
Explanation:
The nucleotides are bonded together via hydrogen bonds making it easy for the dna to be split in half and replicated