111 results found

Search Results for: sensitive

Sensitive

sensitive 1. Having sense of feeling; possessing or exhibiting the capacity of receiving impressions from external objects;... Read More

Sensitive species

sensitive species (Science: ecology, zoology) species that can only survive within a narrow range of environmental... Read More

Suppressor-sensitive mutant

suppressor-sensitive mutant A conditionally lethal, host range, bacteriophage mutant that produces nonsense codons and can... 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

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

Homeostasis

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

Retina

retina light sensitive layer of the eye. In vertebrates, looking from outside, there are four major cell layers: (i) the... Read More

Sense organ

Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More

Photography

photography 1. The science which relates to the action of light on sensitive bodies in the production of pictures, the... Read More

Genetic Mutations

Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Glycerol

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

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... 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

Felidae

Definition noun A taxonomic family of Carnivora embracing domestic and wild cats such as lions and tigers Supplement Felidae... Read More

White adipose tissue

Definition noun, plural: white adipose tissues A type of adipose tissue found in mammals used to store energy and acts as... Read More

Conditional-lethal mutant

Conditional-lethal mutant --> conditionally lethal mutant a viral mutant that can replicate under some (permissive)... Read More

Terminal hair

Definition noun The mature type of hair characterized by being pigmented, thicker, and with a larger diameter than the... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More

Cell immobilization

Definition noun (biotechnology) A process wherein cells (animal or plant cells) are fixed in a suitable matrix and are used... Read More

Anoderm

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

Chemoreceptor

Definition noun, plural: chemoreceptors (1) A sensory nerve cell or sense organ, as of smell, or taste, that are able to... Read More

Apical Dominance

a condition where vertical growth supercedes lateral growth in a plant. this is controlled by auxins, where in high... Read More

Clostridium tetani

Definition noun An obligate anaerobic rod shaped and gram-positive bacterium which appears to looks like a drumstick that is... Read More

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More

Erythropoietin

Definition noun, plural: erythropoietins A glycoprotein hormone that regulates the production of red blood cells in the bone... Read More

Thermotaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... 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

Lipolysis

Definition noun The process of breaking down of lipids (fats) into fatty acids and glycerol Supplement Lipolysis is the... Read More

Protophloem

Definition noun, plural: protophloems The first phloem to develop from the procambium Supplement The phloem is a vascular... 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

Neutrophile

Definition noun, plural: neutrophiles (1) A neutrophilic organism that lives and thrives in an environment with a... Read More

Otolith

Definition noun, plural: otoliths A crystalline particle of calcium carbonate and a protein adhering to the gelatinous... Read More

Methanogen

Definition noun, plural: methanogens An archaeabacterium capable of methanogenesis Supplement A methanogen pertains to any... Read More

Biological Cell Introduction

It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More

Hallucination – Are we the only ones “seeing” things or animals hallucinate, too?

Hallucination is defined as perceiving something that seems real but in fact, it is not. Some references take it as a... 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