83 results found

Search Results for: quantity

Equilibrium

Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More

Weight

weight 1. The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect... Read More

Adipose tissue

Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More

Dose

Dose 1. (Science: pharmacology) a quantity to be administered at one time, such as a specified amount of medication. 2.... Read More

Biuret test

In this article we will answer the following three questions: What is a Biuret Test?  What does biuret test for? What is... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Valence electron

What are valence electrons? Why are they significant? Valence electrons definition in chemistry: The electrons in an atom's... Read More

Residual volume

Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More

Renewable resource

Definition noun A type of natural resource that can be replenished or takes a rather short period of time for nature to... Read More

Substrate

Substrate Definition What is a "substrate"? The underlying substances or layers are termed as substrate. The definitions of... Read More

Output

output 1. The amount of coal or ore put out from one or more mines, or the quantity of material produced by, or turned out... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Variable

Definition noun, plural: variables (1) Something that varies or have no fixed quantitative value. (2) A quantity that... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Multiplication

multiplication 1. The act or process of multiplying, or of increasing in number; the state of being multiplied; as, the... Read More

Multiply

multiply 1. To become greater in number; to become numerous. When men began to multiply on the face of the earth, and... Read More

Taste

taste 1. To try by the touch; to handle; as, to taste a bow. Taste it well and stone thou shalt it find. (Chaucer) 2. To try... Read More

Heterosis

Definition noun, plural: heteroses A tendency of an organism to have superior qualities over those of the parents in... Read More

Kidneys and Regulation of Water and Inorganic Ions

Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... 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

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Estrogen

Definition noun, plural: estrogens A sex steroid hormone produced in large quantities chiefly in the ovaries in females;... Read More

Autotroph

Autotroph Definition What is an autotroph? In biology and ecology, an autotroph is an organism capable of making nutritive... Read More

Sodium-24

Definition noun One of the many isotopes of sodium, with an atomic weight of 24 and 14.96 hour... Read More

Hcg

Hcg --> human chorionic gonadotrophin (Science: hormone tumour marker) a hormone that is produced by the developing... Read More

Food chain

Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Community Patterns

By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Book lungs

Book Lungs Definition Lungs are known as the organs that help organisms breathe. When we think of lungs, we think of the... Read More

Ecocline

Definition noun, plural: ecoclines A sequence of inter-ranking structure formed within a group between two distinct... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... 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

Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of... Read More

Radial immunodiffusion

Definition noun A quantitative immunodiffusion technique used to detect the level of protein (antigen) in a sample by... Read More