DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
