The word molecule comes from the Latinmoleculameaning a unit of mass. This name was to encompass its original meaning of "the smallest unit of a substance that still retains the properties of that substance." In 1873, James Maxwell defined atom and molecule: "An atom is a body which cannot...
If rotaxanes (where a cyclic molecule remains threaded on a linear one because of bulky capping groups on the thread) are molecules, what about pseudorotaxanes, where there are no end caps and the threading is merely statistical, or held in place by weak interactions? One can clearly enginee...
A molecule is nearly all empty space, apart from the extremely dense nuclei of its atoms and the clouds of electrons that bond them together. When that molecule forms, it arranges itself to maximize attraction of opposite charges and minimize repulsion of unlike. George Zaidan and Charles Morton...
Restriction fragment length polymorphisms are marker molecules that are used to follow a particular DNA sequence as it passes between cells. It is one of the most common types of molecular markers and is based on the hybridization of cloned DNA to DNA fragments. They are specific to a single ...
Well it's not as simple as you might think. Blood is made up of different parts such as red blood cells (红血球) white blood cells and platelets (血小板). Two chemical molecules (分子) on the red blood cells make people's blood different. Scientists mark one molecule "A" and the...
when I edited the chemistry journal Molecules (www.mdpi.org/molecules/) and handled chemical samples at MDPI (http://www.mdpi.org), an international nonprofit organization for worldwide collection, deposit and exchange of chemical samples, I always had a question in mind: what is a molecule?
33K Explore signaling molecules. Learn the definition of a signaling molecule and understand its different types. Find the steps of the process of cell signaling. Related to this QuestionWhich receptor is not a cytosolic receptor that recognizes viral RNA? What is the type of hormone that ...
Answer to: What is a triatomic molecule? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also ask...
when I edited the chemistry journal Molecules (www.mdpi.org/molecules/) and handled chemical samples at MDPI (http://www.mdpi.org), an international nonprofit organization for worldwide collection, deposit and exchange of chemical samples, I always had a question in mind: what is a molecule?
Nucleic acids are the molecules that contain and help express a cell's genetic code. There are two major classes of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the molecule that contains all of the information required to build and maintain the cell; RNA ha...