The three possible components of the DNA nucleotide is 2-deoxyribose, phosphate group, thymine. The correct option is C.
Deoxyribonucleic acid is a polymer made up of two polynucleotide chains which then tangle into one another to form a doublehelix.
It basically contains geneticinstructions for development, functioning, growth, and fertility of all lifeforms and viruses. Nucleic acids include DNA and ribonucleicacid.
The DNAnucleotide have following three components:
Thus, C is the correct option.
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b. Carbon monoxide and sulfur oxides are common air pollutants.
c. Natural components of air, like carbon dioxide, cannot be considered air pollutants.
d. Primary and secondary pollutants are harmful to human health and the environment.
Answer: c) Natural components of air, like carbon dioxide, cannot be considered air pollutants.
Explanation:
Carbon dioxide plays a role as greenhouse gas. Though living being emit carbon dioxide when they breathe, carbon dioxide is considered as a pollutant when associated with cars, power plants, and other human activities that involve the burning of fossil fuels such as gasoline and natural gas.