74 results found

Search Results for: mineral

Mineral

Definition noun plural: minerals min·er·al, ˈmɪn.əɹ.əl Any of the various naturally-occurring abiogenic substances,... Read More

A Balanced Diet – Minerals and Proteins

Minerals Various minerals in the Earth's crust are required for a healthy balanced diet. These inorganic compounds have... Read More

Mineral soil

mineral soil (Science: ecology) Any soil consisting primarily of mineral (sand, silt and clay) material, rather than organic... Read More

Mineralization

mineralization 1. The process of mineralizing, or forming a mineral by combination of a metal with another element; also,... Read More

Osteocyte

Osteocyte Definition The osteocyte is a mature bone cell. Other bone cell types are osteoprogenitor cells, osteoblasts, and... Read More

Element

Element Definition noun plural: elements el‧e‧ment, ˈel.ɪ.mənt (biochemistry) A substance that cannot be... 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

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More

Spongy bone

Spongy bone, also known as cancellous bone or trabecular bone, is a type of bone tissue found at the ends of long bones and... Read More

Magnetosome

Definition noun, plural: magnetosomes A membranous cytoplasmic structure containing mineral crystals that enable certain... Read More

Kelp

The swaying and winding of kelp in the ocean currents has an entrancing, hypnotic quality that would be the envy of the... Read More

Abiotic factor

There are several factors that shape the environment. This article is focused on what abiotic factor is and how it... Read More

Bone tissue

Definition noun, plural: bone tissues A mineralized connective tissue from which bones are made. Supplement The bone tissue... Read More

Tracheary elements

Definition noun (botany) The principal conductive cells of the xylem associated with the conduction of water and minerals... Read More

Balanced diet

What is a balanced diet? What is the definition of a balanced diet? A nutritionally balanced diet fulfills all nutritional... Read More

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... Read More

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More

Root

root (Science: botany) The water- and mineral-absorbing part of a plant which is usually underground, does not bear leaves,... Read More

Glance

Glance 1. A sudden flash of light or splendor. Swift as the lightning glance. (Milton) 2. A quick cast of the eyes; a quick... Read More

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More

Compact bone

Definition noun, plural: compact bones A type of osseous tissue consisting of closely packed osteons or haversian systems,... Read More

Still Water Animals

Through millions of years of evolution, animals living in an aquatic environment have diversified to occupy the ecological... Read More

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More

Osteoporosis

Definition noun, plural: osteoporoses A disease of bone in which the bones become extremely porous and are subject to... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More

Inorganic molecule

Definition noun, plural: inorganic molecules (1) A molecule not consisting of carbon atoms. (2) Any molecule that is not... Read More

Protist

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

Principles of Hormonal Control Systems

Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More

Compact substance

Definition noun A type of osseous tissue consisting of closely packed osteons or haversian systems, and forms the extremely... Read More

Microscopic section

microscopic section --> section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part... Read More

Xylem vessel

Definition noun, plural: xylem vessels (botany) One of the tracheary elements of xylem that is characterized by being made... Read More

Isomalt

Definition noun i·so·malt, ˈaɪ sə mɔlt A sugar alcohol made up of two polyols: glucose-mannitol and... 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

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Tracheid

Definition noun, plural: tracheids (botany) A tubular cell in the xylem of vascular plants whose primary function is to... Read More

Hardwood

Definition noun (botany) The wood (secondary xylem) of an angiosperm tree Supplement Vascular plants, e.g. gymnosperms and... Read More

Primitive Animals

Incorrect taxonomic classifications deemed organisms to be either animals or plants, in the Plantae or Animalia kingdoms... Read More

Biotic resource

Definition noun A type of natural resource derived from the biosphere as opposed to abiotic resource from non-living... Read More