<span>Nucleic acids as the </span>nitrogen<span> is part of the </span>nitrogen<span> base and the phosphorous is part of the </span>phosphate<span> group.</span>
The number of workers for each person receiving Social Security benefits is called the DEPENDENCY RATIO. An increase in the dependency ratio increases the burden on the productive part of the population and has a direct direct impact on financial expenditures on things like <span>social security.</span>
I would guess giant pandas because they aren't referring to a regular panda. giant pandas are a type of panda that live in Asia. then there are other types too. my second guess would be humans just because there are no other "species" or type of human but the pure form of human.
Answer:
Amino Acids
Explanation:
The best way to look at it is to split it up.
Proteins are made up of many amino acids.
Amino- amine ( nitrogen) and acid ( coboxylic acid) make up amino acids