62 results found

Search Results for: cholesterol

High-density lipoprotein cholesterol

Definition noun High-density lipoprotein carrying a cholesterol molecule at its center Supplement A lipoprotein is an... Read More

Cholesterol

Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Steroidogenesis

Definition noun, plural: steroidogeneses The biosynthesis of steroid hormones from cholesterol by various cells, such as... Read More

Amphipathic

Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... 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

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Gallstone

Definition noun, plural: gallstones A calculus or stone composed of cholesterol and bile salts, forming within the... Read More

Stearic acid – the unique saturated fatty acid in Clarias batrachus, an Indian lean fish

Subroto Ghosh Ph.D.* *Fishery & Aquaculture Unit, Department of Zoology, Rishi Bankim Chandra College, Naihati 743165... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More

Lipid

Definition noun plural: lipids lip·id, ˈlɪp ɪd, ˈlaɪ pɪd A fatty or waxy organic compound that is readily soluble... Read More

Steroid

Definition noun, plural: steroids Any of the group of fat-soluble organic compounds containing four rings arranged in a... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... Read More

Steroid hormone

Definition noun, plural: steroid hormones A type of steroid that acts as a hormone, and that which is exemplified by sex... Read More

Behenic acid

Definition noun, plural: behenic acids A 22-carbon fatty acid, with the formula: C22 H44O2 Supplement A fatty acid is a long... Read More

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More

Anabolic steroid

Definition noun, plural: anabolic steroids Any of the synthetic steroid hormones (androgens) that promote muscle and bone... Read More

Organization

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

Micromolecule

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

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Testosterone

Definition noun, plural: testosterones A steroid hormone with a chemical formula of C19H28O2, and is regarded as the primary... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Estrogen

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

Liver

Definition noun The glandular organ that stores and metabolizes nutrients, detoxifies, and produces bile Supplement In human... Read More

Fructooligosaccharide

Definition noun plural: fructooligosaccharides fruc·to·ol·i·go·sac·cha·ride, ɪhɡəʊˈsækəɹaɪd An... Read More

Monounsaturated fat

Definition noun, plural: monounsaturated fats An unsaturated fatty acid that contains only one double or triple bond in the... Read More

Vegan diet

Definition noun A strictly vegetarian diet excluding all foods derived from animals Supplement A vegan diet is a strict... Read More

Hopanoid

Hopanoid (Science: cell biology) hopanoid is a chemical component in the cytoplasmic membranes of many bacteria. hopanoid is... Read More

Sterols

sterol (Science: chemistry) Any steroid-based alcohol having a hydrocarbon (aliphatic) side-chain of 8-10 carbons at the... Read More

Roughage

Definition noun plural: roughages rough·age, ɹʌf'ɪdʒ (1) A dietary fiber (2) Hay or any other coarse feed, such as... Read More

Transport

In biology, transport refers to the act or the means by which a molecule or ion is moved across the cell membrane or via the... Read More

Lysosomal enzyme

Definition noun plural: lysosomal enzymes ly·so·somal en·zyme, ˈlaɪsəˌsoʊm əl ˈɛnzaɪm (biochemistry) Any of... Read More

Liebermann-Burchard test

Definition noun A test for unsaturated steroids (e.g. cholesterol) and triterpenes based on the blue-green color formation... Read More

Glycerol

Definition noun glyc•er•ol, ˈglɪs əˌrɔl A sugar alcohol made up of two polyols derived from saponification of... 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

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Digestion and Absorption of Food

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