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Evolution is a constant process that allows life forms to adapt to a changing environment.

How does the environment change, though? 

Well, there are several sources...

The gene to be transcribed s unwound and unzipped using the enzyme DNA helicase which breaks the hydrogen bonds between complementary bases. Activated RNA nucleotides then bind to the exposed complemen...

Three main factors affect the rate of photosynthesis:

Light intensity: Increasing light intensity will increase the rate of photosynthesis, until the maximum amount of li...

A gene is a part of a chromosome. The gene codes for a protein that expresses a specific characteristic.Genes code for our physical characterisics. It is a set of instructions to code for a protein which ...

DNA or DeoxyriboNucleic Acid, is a nucleic acid made of two polynulcleotide strands (double stranded). These polynucleotide strands consist of a phosphate group, five-carbon sugar (stable 2-deoxyribose...