Canidae

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..

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