Answer:
The correct answer will be option-B (purine).
Explanation:
Nucleic acid structure is made up of monomer unit called nucleotide. Each nucleotide is composed of a five-carbon sugar, a phosphate group and five types of nitrogenous bases.
The nitrogenous bases are categorized in two forms the purines (adenine and guanine ) and the pyrimidines (cytosine, thymine and uracil). The "purines" contain double rings in their structure due to which they appear larger in size than pyrimidines which are made up of single rings.
Thus, Option-B is the correct answer.
the average age for a male is the united states to stop growing is at the age of 16.
Answer:
Organ is made up of cells and tissues that perform larger functions.
Explanation:
Answer:
the tuba player is over heated
Explanation:
wool mostly conserves body heat. especially in warm weather...
Answer:
Species
Explanation:
species
The smallest unit of this hierarchical categorisation is species while the largest unit is kingdom.
