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What is Chromatin?

Chromatin is a term used to refer to a mix of histone, DNA as well as other proteins making up chromosomes. It is contained in eukaryotic cell’s nuclear envelope. Chromatin is divided into a condensed form known as heterochromatin and an extended form known as euchromatin. The euchromatin form participates in transcribing RNA, the component [...]

What is DNA Sequencing?

Introduction: In order to determine which nucleotide is at what place precisely in a DNA molecule, the techniques of DNA sequencing are being made use of. A number of different techniques and methods are utilized in order to determine in which order the bases adenine, cytosine, thymine, and guanine appears within a strand of DNA. [...]

What is Gestation Period?

The term gestation refers to the process through which a fetus or embryo develops in a female mammal. Generally, gestation applies to mammals as well as some specific non-mammals. During pregnancy, mammals can have only one gestation or even more than one gestation at a go. Gestation period refers to the time or duration over [...]

What is fear?

In medical terms, fear is a series of reaction that occurs in the brain in response to a stress stimulant. The reaction ends with chemicals being released causing a rise in heartbeat, faster breathing and energetic muscles. This body response is commonly referred to as fight or flight. Fear may be stimulated by internal as [...]

What is Feedback Inhibition?

Feedback inhibition refers to a situation where the resulting product in a reaction affects the enzyme that aided its production. This happens when the destructor binds to the next active holding site which varies from that which is attached to the first reactant. This causes the enzyme’s shape to change meaning it can no longer [...]

What is Aquaponics?

Aquaponics is the usage of aquaculture and hydroponics in one system. Aquaculture is the breeding and raising of fish while Hydroponics is the raising of plants in water. Even before the term Aquaponics was coined, this technology is traced back to the civilization of the ancient Aztec. They used to cultivate and grow crops using [...]

What are bacteria?

Bacteria refer to microorganisms that are present in almost any area or habitat on Earth.  From the deep soil under the Earth’s crust to the boundless oceans and seas, millions of these simple forms of life exist. They also come in different shapes and sizes but their most common characteristic is that these microorganisms do [...]

What is cellular respiration?

Cellular respiration is the metabolic process in cells that help them create usable energy from nutrients such as food. The basic process of cellular respiration involves conversion of nutrients from food into ATP or adenosine triphosphate, which is a type of energy that can be used for various cellular processes.  Without cellular respiration, ATP or [...]

What is arrowroot?

Arrowroot refers to the starch sourced from the roots of the various plants.  Traditional arrowroot comes from the Maranta arundinacea plant which can be found in the Caribbean region. Other plants such as the Zamia pumila found in Florida, USA and Pueraria lobata in Japan, are also used to create arrowroot starch. The tapioca from [...]

What is aquaculture?

Aquaculture refers to the practice of growing aquatic animals and/or plants in a controlled condition.  It may be done on freshwater or saltwater depending on what is preferred.  Fish is the most commonly grown animal in the field of aquaculture.  Other aquatic life that can be grown through the techniques of aquaculture include sea weeds, [...]

What is a zygote?

Zygote refers to the cell that is formed when the female egg cell joins the sperm cell that fertilized it.  In simple terms, the zygote represents the fertilized egg.  For humans and other organisms that contain multiple cells, the fertilized egg or zygote is the earliest part of the so-called embryo. This embryo will then [...]

What is lulav and etrog?

Lulav and etrog refer to the four species of plants that are considered sacred among the Jewish community. These plants were specifically mentioned in the Jewish holy book called the Torah as part of one of their religious celebrations. In the so-called Feast of Tabernacles or the Sukkoth, people are advised to wave the four [...]

What is evolutionary perspective?

Evolutionary perspective refers to a part of psychology that stemmed out from evolutionary tendencies. Human behavior is studied, assessed, and analyzed through different views and perspectives including the evolutionary point of view among many others like the cognitive, behavioral, and cross-cultural perspectives. With evolutionary perspective or psychology, the study of human behavior, thoughts, and feelings [...]

What is ECB infestation?

ECB refers to the European corn borer, which is a type of pest that can greatly affect the growth of corn.  Scientifically named as “ostrinia nubilalis”, ECB can seriously affect corn fields at least twice a year.  The first part of the infestation is caused by overwintering adults of ECB’s or pests while the second [...]

What is a goblet cell?

All living things are made up of cells. These cells are the smallest and the most basic unit of the body and are often termed the building blocks of the body. The number of cells in different plants and animals vary. Different types of cells perform different functions. One kind of cell found in living [...]

What is ebb-and-flow hydroponics?

Ebb-and-flow hydroponics refers to a type of hydroponics system wherein the water component literally flows through the system at some point but is allowed to flow away at some later time.  The basic principle of hydroponics is to maximize the use of water in terms of providing nutrients to plants and helping them grow.  The [...]

What is kovakkai?

What is kovakkai? “Kovakkai” refers to the ivy gourd which also known as gherkin, baby watermelon, or little gourd in some areas of the world.  This particular plant or weed is considered a vegetable in many parts of Asia and the Pacific region.  The scientific name of this plant is “coccinia grandis,” and aside from [...]

What is a Buckeye?

What is a Buckeye? A buckeye is a tree from the species Aesculus glabra. It is said to have a distinct smell coming specifically from its flowers. But others also claim that this tree gives off its distinct smell when the tree bark is bruised, or when some of it twigs are broken. Crushing its [...]

What is Hybrid?

What is Hybrid? A hybrid refers to something that is a result of mixing two different parts. It represents a composite or combination of two distinct sources or origins. This term can be applied to a variety of fields but it basically refers to the result of the union of two dissimilar things or subjects. [...]

What is Fluid?

What is Fluid? A fluid is a material or substance that will form and spread away if it is not contained by another material. Many people associate fluid with all liquid matter, when in fact gases are also classified as fluid substances. The water that we drink, the gasoline in our cars, and the water [...]

What is Hibernation?

What is Hibernation? Hibernation refers to a time wherein some animals go through a period of inactivity and prolonged rest. This activity is usually done during the cold months of winter where there is scarcity of food for some animals. During this time, the animal involved will literally rest for several days, weeks, or even [...]

What is a Baobab?

What is a Baobab? A baobab is a specie of tree that belongs to the Adansonia family. The term “baobab” is the term used to describe trees that belong to this group which is actually composed of eight species. Most people consider the baobab tree as native to Africa. This is generally true since six [...]

What is Cnidaria?

What is Cnidaria? Cnidaria is a phylum or scientific classification involving about 9000 species of animals that mostly can be found on water. Animals that belong to this scientific phylum or class are called “cnidarians”. Cnidarians have distinct cells called “cnidocytes” which are mainly used for catching prey. Most members of the Cnidaria phylum have [...]

What is CSF?

What is CSF? CSF or cerebrospinal fluid is the fluid that occupies the subarachnoid space and ventricular system in which the human brain and spinal cord is located. One of its main functions is involved in the transfer of substances in and around the central nervous system. Particularly, it is through the cerebrospinal fluid that [...]

What is ATP and why is it important?

What is ATP and why is it important? ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. It is dubbed as the universal unit of energy for living organisms. Without [...]

What is Fennel Bulb?

What is Fennel Bulb? A fennel is a plant species that has yellow flowers and feather-like leaves. Before, this is commonly found in the Mediterranean shores. These days, it can also be found in areas with dry soils located near seacoasts or on riverbanks. At some parts of the world, people can find them on [...]

What is Habituation?

What is Habituation? Habituation is a form of a learning process that is not associative which means that the learning is developed from a fundamental biological process that does not require the individual to be aware or to be motivated by the stimuli. With this kind of learning process individuals are able to identify new [...]

What are GMOs?

What are GMOs? GMOs or Genetically Modified Organisms refer to plants or animals and other microorganisms in which their genes are altered for purposes like increased growth, improved nutritional value, or increased resistance to insects among others. The common method used in modifying or altering the genes of a particular organism is called recombinant DNA [...]

What is a Cell?

What is a Cell? A cell is the smallest and most fundamental unit of all living organisms like plants and animals. It is made up of atoms which have specific functions and carry all the necessary nutrients for the living organism to function normally. Some living organisms contain only one cell. Bacteria are an example [...]

What is DNA used for?

What is DNA used for? DNA or deoxyribonucleic acid contains the genetic make-up or properties of all living things. It contains information or codes necessary for cellular activity, like in the formation of proteins and RNA or ribonucleic acid. The parts of the DNA that contains genetic code are called genes. A DNA molecule usually [...]

What is mRNA?

What is mRNA? Messenger RNA is the same as mRNA. What exactly is this mRNA? It is a RNA molecule, which is responsible for encoding chemical outline for protein product. The primary role of mRNA is to transport instructions coming from genes. These instructions are coded and carried forward to other cell parts. The coded [...]

What is gel electrophoresis?

What is gel electrophoresis? Gel Electrophoresis is a technique for separation of molecules like deoxyribonucleic acid or DNA and ribonucleic acid or RNA. The protein molecules are contained in a gel and they are subjected to some form of electric current to cause movement and separation. This technique is said to be helpful in the [...]

What is a Eukaryote?

What is a Eukaryote? A Eukaryote is a classification of cells that have both a nucleus and organelles. The unicellular organism is identified by its membrane-bound nucleus. The organelles that make up the inside of the cell are also membrane-bound. Structures such as mitochondrion, intracellular filaments, and Golgi bodies perform the various tasks that they [...]

What is Botany?

What is Botany? Science is one of the widest subjects of interest to man. In order to effectively study science, there has been a need to divide it into various fields and disciplines. When it comes to the study of living things, scientists decided to begin by separating the study of plants and that of [...]

What is Dilution?

What is Dilution? Dilution is a very consistent yet dynamic term. It has different applications in various fields while maintaining what appears to be a uniform inference all through. Most of its application is in areas which have to do with loss of concentration or strength in one way or another. Dilution is a term [...]

What is a Eukaryote?

What is a Eukaryote? A Eukaryote is a classification of cells that have both a nucleus and organelles. The unicellular organism is identified by its membrane-bound nucleus. The organelles that make up the inside of the cell are also membrane-bound. Structures such as mitochondrion, intracellular filaments, and Golgi bodies perform the various tasks that they [...]

What is Diffusion and Osmosis?

What is Diffusion and Osmosis? What is diffusion and osmosis? In biology, both terms pertains to a type of passive transport. Passive transport means that the molecules moving in and out of the cell do not require energy to be in motion. To be more detailed, diffusion is a process by which molecules of a [...]

What is Physiology and Anatomy?

What is Physiology and Anatomy? Physiology and anatomy are the branches of biology. Physiology deals with the study of organs and organ systems. The organ systems in the human body are respiratory system, circulatory system, nervous system, cardiovascular system, skeletal system. Emphasis is laid on the functions carried out by the different systems. Anatomy studies [...]

What is Dill Weed?

What is Dill Weed? Dill is known to have originated from Eastern Europe. Dill, with the scientific name, Anethum graveolens is an herb with many uses. Actually, dill weed is grown all around the planet and is often seen in kitchens to be used as spice. It was known that in Greece, people use this [...]

What is Monoceous?

What is Monoceous? Monoceous is a commonly misspelled word for Monoicous or monoecious, a term that describes a plant’s reproductive organ in botany. Monoicous refers to a plant that has both sperm producing and egg producing reproductive organs, which means that it can reproduce by itself without the need for a partner plant. This attribute [...]

What is Diceous?

What is Diceous? Diceous is a commonly misspelled word for the term dioecious, a term in botany. Dioecious describes a plant that has only one reproductive organ, either a male flower or a female flower. This means that dioecious plants need a partner plant with the opposite gamete producing flower in order to bear fruit. [...]

What is Diffusion?

What is Diffusion? There are many scientific concepts that we cannot readily relate to because they rarely cross our paths in everyday activity. Actually witnessing them will almost always require putting on a lab coat and going through an intricate process which might eventually not give the desired results. This however is far from the [...]

What is Amber?

What is Amber? Amber is usually mistaken as tree sap that had hardened. However, the truth is that amber is a plant resin that oozes and drips down trees. In simple terms, amber is a fossilized plant resin. Oftentimes, you can find amber in tree crevices trapping seeds, leaves, insects and etc. Organic compounds, when [...]

What is Dill?

What is Dill? Dill is a plant native to the southern parts of Russia, the Mediterranean, and western parts of Africa. Its leaves and seeds are used as food seasoning and are known to have medicinal properties. The word “dill” comes from “dilla”, an Old Norse word which means “to lull”. Scientifically know as “Anethum [...]

What is Mistletoe?

What is Mistletoe? Mistletoe (viscum album, phoradendron serotinum, phoradendrum flavescens, etc) is a semi-parasitic plant that grows on tree and shrub branches. Mistletoes have small, oval, waxy green leaves that grow in pairs along the stem, and this plant can stay green even in winter. Mistletoes grow berries which are white, waxy and pearl like. [...]

What is evolution?

Evolution (or the theory of evolution by natural selection) is a scientific theory which states that all living beings in the world are related and are sprung from a common ancestor. The concept of evolution was first proposed by Charles Darwin and Alfred Russell Wallace in the 1859 book “The Origin of Species”. In the [...]

What is Aquarium Salt?

What is Aquarium Salt? Aquarium salt is a type of salt used for the treatment of fresh aquarium water, serving a tonic for the fish. Adding aquarium salt to fresh water is supposed to treat certain fish conditions and kill bacteria and parasites who do not tolerate a salty environment. The salt in the water [...]

What is Unicorn?

What is Unicorn? A unicorn is a mythical creature usually represented as a horse (usually pure white) with a horn on its forehead. However, classically speaking, a unicorn is also said to have cloven hooves, a billy-goat beard and a lion’s tail. The idea of a unicorn can be traced back to early Greek natural [...]

What is Mono?

What is Mono? – The Kissing Disease Mono is an infectious disease, which is a short term for mononucleosis. Mono is also popular in its other name the “kissing disease”. Although it is called a kissing disease, mono is not only transmitted by kissing. The disease is caused by Epstein – Barr virus (EBV), a [...]

What is Yeast?

What is Yeast? Yeast is a general term that refers to over 1500 species of micro organisms that belong to the fungi kingdom. Most yeast is single celled and reproduces asexually through budding or in some cases through binary fusion.  Yeast reproduces very quickly and under the right conditions can go from a single cell [...]

What is DNA?

It was one of the biggest scientific discoveries of 1869 when a Swiss scientist, Friedrich Miescher found the microscopic substance in pus on discarded bandages. For many years this great discovery, DNA was of little or no significance to anyone outside a laboratory producing only occasional stirs which were mostly appreciated among those in the [...]