Search Results for: real
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
A Protein Being Born – a live cell imaging of RNA translation
You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More
![Hallucinations – a brain glitch – apparently could occur in animals, too. At least, according to a recent experiment on lab mice using optogenetics technique. [Img credit: Rick Harris (Flickr), by CC BY-SA 2.0]](https://www.biologyonline.com/wp-content/uploads/2019/07/hallucination-300x168.jpg)
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
Thalassophobia
Among many psychological and psychiatric disorders, one is the fear of the ocean and the fear of deep water, which in... Read More
Directed case study method for teaching human anatomy and physiology
DIRECTED CASE STUDY METHOD FOR TEACHING HUMAN ANATOMY AND PHYSIOLOGY William H. Cliff and Ann W. Wright Department of... Read More
Kingdom Animalia
Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More
Neurology of Illusions
As mentioned in the previous tutorial, Human Perception, illusions can be caused by mental disorders or misreading of the... Read More
Introductory Chemistry – a Foundation
Introductory Chemistry - a Foundation ... Read More
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
Hypothesis
What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... Read More
Intermediate host
Intermediate Host Definition When looking at the relationships amongst different biological members of our biosphere, we... Read More
Perceptual distortion
Perceptual distortion lack of correspondence between the way a stimulus is commonly perceived and the way an individual... Read More
Biodiversity
The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More
Bolus injection
A bolus injection is the act of administering a dose of medication or substance directly into the bloodstream by injection.... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Biology: Concepts & Connections with Student CD-ROM (5th Edition)
Biology: Concepts & Connections with Student CD-ROM (5th Edition) ... Read More
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More
Inhibitory postsynaptic potential
Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More
Hypoalgesia
Definition noun A decreased sensitivity to painful stimuli. Supplement Hypoalgesia is the decreased sensitivity to pain. It... Read More
Examples of Natural Selection
Reviewed by: Mary Anne Clark, Ph.D. Darwin's Finches Darwin's finches are an excellent example of the way in... Read More
The Amazing Spider Dads
Humans are not the only fathers capable of giving it all for the sake of their progeny. The animal kingdom is teeming with... Read More
Plant sets off “SOS” for plant defense when it gets hurt
When herbivore, such as an insect, nibbles a plant leaf, the plant sets off an "SOS" or distress signal as one of the... Read More
On Mate Selection Evolution: Are intelligent males more attractive?
A study published in Science on January 11 seems to be the first to lay empirical evidence that concur with Charles Darwin's... Read More
coronavirus COVID-19
Coronavirus Disease 2019 (COVID-19) Coronavirus Disease 2019 (COVID-19) is a contagious coronavirus disease first detected... Read More
Silent mutation
A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More
Authority figure
A real or projected person in a position of power; one's parents, police, and boss are authority figures to some people;... Read More
Sporophyte
Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More
Nervous System
THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More
Generation of resting membrane potential
Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More
Theory of Neuroscience
Nezih OKTAR Journal of Neurological Sciences (Turkish) 2006, Volume 23, Number 3, Page(s) 155-158. An Open Access... Read More