1593 results found

Search Results for: form

Micromolecule

Micromolecules Definition How to define micromolecule? Micromolecules are relatively small molecules that are combined... Read More

Pseudopodia

A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More

Pathobiology of allergy and its most severe form, anaphylaxis

When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... 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

Organization

Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Form

(biology) a group of organisms within a species that differ in trivial ways from similar groups; a new strain of... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. What is... Read More

Chemical Composition of the Body

In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More

Anatomy

Anatomy Definition Often we hear the term 'anatomy' while learning about the body and how it works. What is anatomy? What... Read More

Xylem

Xylem Definition Xylem is defined as a plant tissue that transfers water and nutrients from roots to all over the plant... 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

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Coenzyme

Enzymes can break down complicated large molecules into simpler smaller ones, they can combine small molecules or atoms to... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Formation

Formation 1. The act of giving form or shape to anything; a forming; a shaping. 2. The manner in which a thing is formed;... Read More

Transformation

Definition noun, plural: transformations (1) The act, state or process of changing, such as in form or structure; the... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Form perception

Form perception The sensory discrimination of a pattern shape or... Read More

Glucose

Glucose occurs naturally and is ubiquitous. It is one of the three most common monosaccharides; the other two are fructose... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Polysaccharide

Reviewed by: Todd Smith, PhD Polysaccharide Definition noun plural: polysaccharides pol·y·sac·cha·ride,... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Sugar

Sugar Definition The term sugar is the generic term for any disaccharides and monosaccharides. Sugars are an essential... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Monosaccharide

Definition noun plural: monosaccharides mon·o·sac·cha·ride, ˈmɒ.nəʊˈsæk.ə.ɹaɪd (biochemistry) A simple... Read More

Axon hillock

Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Mutualism

Mutualism Definition What is mutualism? In biology and ecology, a mutualism is a form of symbiosis that is characterized by... Read More