34 results found

Search Results for: derivative

Derivative chromosome

Derivative chromosome An anomalous chromosome generated by translocation. Synonym: translocation... Read More

Derivative

Derivative a chemical substance derived from another substance either directly or by modification or partial... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... Read More

Galactosamine

Definition noun, plural: galactosamines A hexosamine, where galactose contains an amine (-NH2) instead of a hydroxyl (–OH)... 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

Sensory Systems

A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More

Isomalt

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

Amino sugar

Definition noun, plural: amino sugars A sugar molecule the nonglycosidic hydroxyl (–OH) group is replaced by an amine... Read More

N-acetylglucosamine

Definition noun An amino sugar derivative of glucose, with a chemical formula of C8H15NO6, and serves as a major component... Read More

Nonose

Definition noun, plural: nonoses A nine-carbon monosaccharide or sugar Supplement Monosaccharides are the simplest form of... Read More

Octose

Definition noun, plural: octoses An eight -carbon monosaccharide or sugar Supplement Monosaccharides are the simplest form... Read More

Diethylaminoethyl-cellulose

Definition noun (1) A positively charged resin used in ion-exchange chromatography for protein purification and... Read More

Light-independent reaction

The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More

Coenzyme

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

Anoderm

Definition noun The epithelial lining from the dentate line to the intersphincteric groove Supplement The anoderm refers... Read More

Quinone

quinone aromatic dicarbonyl compound derived from a dihydroxy aromatic compound. Ubiquinone (coenzyme Q) is a dimethoxy... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Diels hydrocarbon

Diels hydrocarbon (Science: biochemistry) a phenanthrene derivative obtained by the dehydrogenation of various... Read More

Amphipathic

Amphipathic Definition Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and... Read More

Dansyl chloride

Definition noun (chemistry) A strongly fluorescent compound that will react with the terminal amino group of a protein;... Read More

Thiamine

Definition noun One of the B vitamins that can be obtained from pork, oatmeal, brown rice, vegetables, potatoes, liver,... Read More

Biotic potential

When we look at the different forms of life, we often wonder how they have continued to exist one generation after another.... Read More

Caffeine

Caffeine (Science: chemical) a xanthine derivative that elevates camp levels in cells by inhibiting phosphodiesterases. A... Read More

Colcemid

Definition noun (cytogenetics) A methylated derivative of colchicine capable of depolymerizing microtubules and arresting... Read More

Fibroblast

The building block of living things is known as the cell. The cell contributes to many parts and functions of different... Read More

Cephalad

Definition adverb Towards the head Supplement Word origin: Greek -kephalos derivative of kephalḗ (head)+... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Anaerobic bacteria

Bacteria are classified according to the need for oxygen to survive and grow.   For example, aerobic bacteria are bacteria... Read More

Hopanoid

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

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Hydrate

Hydrate (Science: chemistry) a compound formed by the union of water with some other substance, generally forming a neutral... Read More

Sweat

Definition noun The fluid or moisture secreted from the sweat glands to the surface of the skin (through skin pores)... Read More

Lettuce

Lettuce (Science: botany) a composite plant of the genus Lactuca (L. Sativa), the leaves of which are used as salad. Plants... Read More

Hormone Production

Reviewed by: Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More