What is cell differentiation?
By: Marion Garcia
What is cell differentiation? At conception human cells are produced and begin to divide. These cells contain all the genes that the body needs to grow, develop, and carry out the different functions of the body. The process in which the cells develop into...
Would stem cell research be responsible for taking or saving a life?
By: Molly McGreevy
The debate over stem cell research is largely centered on human embryonic stem cells. These are cells taken from the inner mass of a blastocyst, usually in the first five to seven days following fertilization. These cells are called pluripotent because they have the...
Everything you need to know about Acrobat Ants
By: Mary Bishop
Most likely you've heard of a "flea circus'" but have you ever heard of acrobat ants? They would certainly outdo the fleas in any circus featuring "creepy-crawlies," as they appear to be able to walk on their hands and they do this when excited...
What are fatty acids?
By: Louis Rosenfeld
Fatty acids are unbranched hydrocarbons (carbon chains with hydrogens attached) with an organic carboxylic acid group at the end. The carbon chains in some hydrocarbons can be branched, but naturally occurring fatty acids are not branched. The carboxylic acid group consists of a carbon double-bonded...
By: Erich Rosenberger M.D.
The world of microbiology is a virtual zoo of very small, mostly single-celled organisms. Since the invention of the microscope, scientists have spent entire careers peering in to the world of bacteria, viruses, and fungi. In order to make sense of the huge variety of...
Function of mucus in the respiratory tract
By: Tami Port MS
erhaps you consider yourself refined. You are well dressed and a model of perfect personal hygiene. Yet, no matter how hard humans try to be civilized, there is no getting around the fact that some aspects of our body, and how it works, are frankly...
The structure and function of kidney cells
By: M. J. Joachim
Understanding Kidneys Mammals are made up of millions of cells, each containing cytoplasm and a nucleus surrounded by a membrane. Together these cells make up all of our being including blood, bone, and organs. Each organ has a purpose, and one of the main purposes...
By: Rex Trulove
My family raised a red fox kit at Crater Lake National Park and subsequently set him free when he could fend for himself. No doubt dead after all these years, the experience was not only good, it was also educational. Things were learned that came...
Facts about isopods
By: Laurie Childree
Isopods (Armadillidium vulgare) are among the most morphologically diverse groups of crustaceans coming in varying sizes and shapes with approximately ten thousand known species. The habitats that an isopod lives in includes fresh water, salt water and on land. Some of the isopods in North...
What are complex carbohydrates?
By: Gwen Powell
Carbohydrates get their name from the elements that compose their molecular structure, namely carbon, hydrogen and oxygen. Complex carbohydrates generally consist of long chains of glucose molecules, unlike simple carbohydrates (commonly referred to as sugars) which are formed from only one or two sugar molecules...

 

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