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...
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
