The answer is DNA. DNA is vital for all living beings and
this is made up of molecules called nucleotides. Each nucleotide contains a
phosphate group, a sugar group and a nitrogen base. The four types of nitrogen
bases are adenine. There are three main functions of DNA to our body, this
facilitate occurring mutations and even in a single nucleotide. Then it forms
RNA and proteins and this exchange the genetic material of parental chromosomes
during meiotic cell.
Answer:
Pathogenic bacteria are bacteria that can cause disease. Although most bacteria are harmless or often beneficial, some are pathogenic, with the number of species estimated as fewer than a hundred that are seen to cause infectious diseases in humans
Explanation:
The best answer is (1)
Fossil fuels are commercially available as an energy source.
They are very easy to find. More and more extractions of fossil fuels is going on everyday. With advancement in science and technology, the refineries and extraction procedures have improved a lot. This makes their availability even better.
Fossil fuels are also easily combustible. Most combustion engines need to be powered with little amount of fuel to produce large amount of energy. Very large amounts of electricity can be generated from fossil fuels.
Answer:
the process used by green plants to collect natural sunlight in order to produce/create food
Explanation:
Answer:
N
Explanation:
Both carbohydrates and lipids contain Carbon, Hydrogen, and Oxygen. However, all proteins have Nitrogen as well.