The coca leaf is a plant native to north western South America. It is generally thought that coca originally appeared in the northern Andes, where conditions for it to grow uncultivated were optimal, and that as the benefits of coca…
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Camouflage, like any other animal trait, is built up slowly by natural selection. People looking to disagree with this often point to a stick insect, for instance, and ask “what’s the point of looking one per cent like a stick?”…
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The coca plant has been around since about 3000 BC according to Evo Morales, the President of Bolivia and also coca farmer, who seeks to reestablish the plant as the main cash crop in that country and create more economic…
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Zoology is the study of the animals and habitats within the animal kingdom. The study of zoology is important to understand the balance of nature. Through zoology we learn what animals eat, where they sleep, and even life cycle patterns…
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To be able to understand how the size of a molecule is related to its biological function, you must first know the concept of a lock and key. When the key does not match the lock, then you are unable…
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Proteins make up about 50 percent of the plasma membrane’s mass. The proteins in the membrane can occur in two forms – integral (intrinsic) proteins and peripheral (extrinsic) proteins. Channel proteins are integral proteins that allow specific molecules and ions…
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When you hear the words twin the first thing that comes to the mind is how will you tell them apart? What if you feed or bathe the same one twice? What to do if both kids start crying together?…
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In biology, a macromolecule refers to any agglomerate or polymer made up of smaller building blocks, or monomers. Traditionally, the study of biological macromolecules was highly compartmentalized. While some scientists devote their entire careers to the study of specific proteins,…
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Genetic engineering is going to alter humanity’s future evolution. There is no avoiding this fact. The debate over whether we should or should not engage in genetic engineering is completely moot. If we can do it, we will, and no…
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Lipids are molecules found throughout the cell with a wide variety of unique functions. They are hydrophobi small molecules and serve a variety of functions, including signaling, cellular structure, and energy storage. Below is a list of various lipid functions…
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