Search Results for: block
Nucleotide
Nucleotide Definition A nucleotide is regarded as the basic building block of nucleic acid (e.g. DNA and RNA). A nucleic... Read More
Freshwater Communities & Lentic Waters
Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Buck’s traction
Buck's Traction Definition Buck's traction for femur fracture is very helpful. It can be utilized in the treatment and... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
Pollution in Freshwater Ecosystems
As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Muscular system
Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More
"Mummified" Dinosaur Discovered In Montana
By Hillary Mayell An onsite restoration drawing of how "Leonardo" may... Read More
Ribonucleotide
Definition noun plural: ribonucleotides ri·bo·nu·cle·o·tide, ˌraɪbəʊˈnjuːklɪəˌtaɪd A form of nucleotide in... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Fertilization membrane
Definition noun The membrane that forms on the inner surface of the vitelline membrane of the ovum after the entry of a... Read More
Gregor Mendel
Definition noun Augustinian monk and botanist who formulated the laws of heredity based on his careful breeding... Read More
Polynucleotide
Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... Read More
Sclerotome
Definition noun, plural: sclerotomes (embryology) The somite that gives rise to the development of vertebrae and... Read More
Dehydration reaction
What is dehydration synthesis? A dehydration reaction is a form of biochemical reaction wherein a water molecule is lost or... Read More
Adenine nucleotide
Definition noun plural: adenine nucleotides A nucleotide wherein the nucleobase is adenine Details Overview A nucleotide... Read More
Deoxyribonucleotide
Definition noun plural: deoxyribonucleotides de·ox·y·ri·bo·nu·cle·o·tide, diˌɒk... Read More
Mononucleotide
Definition noun plural: mononucleotides mon·o·nu·cle·o·tide, ˌmɒnəʊˈnjuːklɪəˌtaɪd A single nucleotide (as... Read More
Neural Control Mechanisms
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Inheritance and Probability
Reviewed by: Mary Anne Clark, Ph.D. Gregor Mendel, an Austrian monk, is most famous in this field for his study... Read More
Photosynthesis – Photolysis and Carbon Fixation
Photosynthesis is the means that primary producers (mostly plants) can obtain energy via light energy. The energy gained... Read More
Newly Discovered Exploding Ants – Colobopsis explodens
A new ant species, Colobopsis explodens, was recently identified. Similar to other exploding ant species, Colobopsis... Read More
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More
Repressor protein
Definition noun, plural: repressor proteins A protein in which its binding to the operator inhibits the transcription of one... Read More
Dinucleotide
Definition noun plural: dinucleotides di·nu·cle·o·tide, daɪ njuːklɪəˌtaɪd An organic compound comprised of two... Read More