Answer:
Nitrogen is present in the atmosphere in a molecule form about 78 percent. This nitrogen comes to the earth with the water through rainfall. Some nitrogen fix by beneficial microorganisms such as Cyanobacteria and Azotobactor which are present in the roots of higher plants. These microorganisms convert nitrogen molecule into nitrates and used by the plants. There are some other microorganisms which again convert nitrate into nitrogen molecules, called denitrifying bacteria and nitrogen molecule goes to the atmosphere again and complete the cycle.
Nitrogeneous bases
sugar
phosphate group
Proteins are modified within the nucols
Answer:
Ant sting release methanoic acid or formic acid. The chemical formula of methanoic acid is HCOOH
The uninoculated tube is considered to be a negative control
because a negative control is an effect of having to show no response. Am uninoculated
control is where organisms are not being
inoculated such as having a culture bacteria of not being inoculated with an
organism.
