Atmospheric Fixation. The enormous energy of lightningbreaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming huge nitrogen oxides. These dissolve in rain, forming nitrates, that are carried to the earth.
Increase in temperature decreases the Activation energy thus, increasing the rate of reaction
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Answer:
Proteins.
Explanation:
Protein is one of the most important biomolecule of the living organisms. Proteins are made up of the polymers of the amino acids. These are the primary building block of the body.
Proteins are involved in the assembly of different molecules. Proteins are involved in the immune response initiation, the enzymatic activity and the cell signalling of the molecules.
Thus, the correct answer is option (B).
Answer:
B) missense mutation
Explanation:
A type of base substitution that results in the replacement of one amino acid by another is called missense mutation. Missense mutations affect the mutated proteins in several ways. It may alter the amino acid composition of the active site of enzymes and render the enzymes inactive.
The wild type polypeptide chain has the following sequence of amino acids: Met-Ala-Gln-Arg-Glu-Leu. The mutated polypeptide has glycine in place of arginine. The rest of the amino acids are the same in wild type and mutated protein. This means that the mutation changed the genetic code of arginine into the genetic code of glycine resulting in the incorporation of glycine in position 4. This is an example of a missense mutation.
