molecules for living objects is a covalent bond, where two atoms share electrons. There are six main types of elements that make up living things: carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. These atoms form covalent bonds with each other and create the molecules needed for ...
This aims to move away from the conventional blood circulation/cell or organ representations and thereby move away from telling the stories of molecules. The study continued by looking at molecular renewal, which allowed the pupils to complete the diagram, adding to the cell diagram an arrow ...
Ribonucleic acid interference (RNAi). RNAi is a biological process in which RNA molecules inhibit gene expression or translation by neutralizing targeted messenger RNA molecules through an increase or decrease in their activity. In the wild, this approach may protect species against viruses that insert...
The modern Gastropoda have nephridia, which consists of a sac of highly folded walls where the waste is modified and certain ions and organic molecules are reabsorbed. Aquatic species excrete ammonia. Terrestrial snails can convert ammonia to uric acid that is less toxic and can be excreted in...
Ribonucleic acid interference (RNAi). RNAi is a biological process in which RNA molecules inhibit gene expression or translation by neutralizing targeted messenger RNA molecules through an increase or decrease in their activity. In the wild, this approach may protect species against viruses that insert...