Cation

Cation (Science: chemistry) a positively-charged ion...

A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

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