tissue extracts preparations made from animal tissues or organs; they usually contain many components, any one of which may be pharmacologically or physiologically active; extracts may contain specific, but uncharacterised factors or proteins with specific actions...
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
