Enzymes are protein molecules which serve as catalysts for chemical reactions. A catalyst is a substance which will decrease the activation energy for a reaction. ... Enzymes will make reactions occur much more easily, quickly and more efficiently than they ever would without the enzyme.
During mitosis, the chromosome copies separate the nucleus divides and the cell divides. This produces identical two cells called daughter cells. The main purpose of mitosis is for growth and to replace worn out cells.
The species of <em>Anthoxanthum odoratum</em> is an example of parapatric species.
- Speciation is a process in which a new species form from the existing species due to reproductive isolation.
- In parapatric speciation there is no barrier between the gene flow between similar species.
- In the parapatric speciation populations are adapted to different ecological conditions although the populations of the related species differ in terms of mutation, and due to the effect of drift.
- But they are connected by the random flow of genes between the neighboring organisms irrespective of the changes in their genetic and physiological form.
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