46 results found

Search Results for: gc_box

Pribnow box

Pribnow box --> promoter (Science: molecular biology) A region of dNA to which rNA polymerase binds before initiating the... Read More

Bush

Bush 1. To set bushes for; to support with bushes; as, to bush peas. 2. To use a bush harrow on (land), for covering seeds... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More

Eccentric

Eccentric 1. Deviating or departing from the center, or from the line of a circle; as, an eccentric or elliptical orbit;... Read More

Cisterna

Definition noun plural: cisternae cis·ter·na, sɪˈstɜːnə (cell biology) The flattened membrane disk containing... Read More

Elastic cartilage

The cartilage is a connective tissue characterized by having an extracellular matrix that is abundant in chondroitin sulfate... Read More

Cistern

Definition noun, plural: cisterns (general) A reservoir or tank for storing water, especially a tank for holding rainwater... Read More

Geological Periods

Precambrian Times (Most Ancient) All time before life existed, Earth was still a volatile environment, though the origins... Read More

The Homo Species

Over the long term, it looked like Homo would supersede any ‘similar model’ of animals due to their unique tool using... 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

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

Digestion and Absorption of Food

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

The Human Nervous System

The nervous system is essentially a biological information highway, and is responsible for controlling all the biological... Read More

Psychiatry & Mental Disorders

The Definition of Mad When someone says 'mental disorder' many people associate it with madness. This is truly not the... Read More

The Conscious & Unconscious Nervous System

The Central Nervous System is arguably the most important part of the body because of the way it controls the biological... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Homeostasis of Organism Water Regulation

Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... Read More

Temperature Regulation in Animals

Control of Temperature in Homeotherms Animals capable of temperature regulation within a given range are deemed homeotherms... Read More

Plant Meristems and Growth

A common mistake that many people assume is that an increase in size means an increase in growth. This is not the case.... Read More

Growth Patterns

When measuring growth, it is more desirable to use dry mass as a reliable indication. However, since you can't just 'suck'... Read More

Cell Respiration

As mentioned in the previous tutorial on ATP, the process of respiration is split into 3 distinct areas that occur at... Read More

Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the means that primary producers (mostly plants) can obtain energy via light energy. The energy gained... Read More

Why Non-Human Primates Don’t Speak Like Humans

Summary: Why are non-human primates unable to speak like humans? A widely-accepted theory associated it with their lack of... Read More

Blindness – Evolutionary regression? Maybe not!

The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... 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

Hunting

Hunting The pursuit of game or of wild animals. Happy hunting grounds, the region to which, according to the belief of... 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

Pharynx

Lined with moist tissue, the pharynx is like a bustling biological highway that directs food and air to their respective... Read More

Fangs

Fang 1. (Science: zoology) The tusk of an animal, by which the prey is seized and held or torn; a long pointed tooth;... Read More

Capsule

Definition noun, plural: (general) A small case, envelope, or covering. (anatomy) (1) A membranous sac or integument,... Read More

Chest

Chest The anterior wall of the chest or thorax; the breast. See: thorax. Synonym: pectus, phthinoid. Origin: a.S. Cest, a... Read More

Sink

sink 1. A drain to carry off filthy water; a jakes. 2. A shallow box or vessel of wood, stone, iron, or other material,... Read More

Tobacco

tobacco 1. (Science: botany) An American plant (Nicotiana Tabacum) of the nightshade family, much used for smoking and... Read More

Trailing

trailing (Science: botany) Trailing spring, a spring fixed in the axle box of the trailing wheels of a locomotive engine,... Read More

Domain

Definition noun, plural: domains (1) (taxonomy) The highest taxonomic rank of organisms in which there are three groupings:... Read More

Hox gene

Definition noun, plural: Hox genes Any of the developmental control genes involved in establishing the anterior-posterior... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Invertebrate

Invertebrate Definition An invertebrate refers to any of the animals lacking a vertebral column. The term invertebrate came... Read More

Rough endoplasmic reticulum

Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More

Horn

Horn 1. A hard, projecting, and usually pointed organ, growing upon the heads of certain animals, especially. Of the... Read More