Couples

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..

DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

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