Search Results for: case
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
Genotypic ratio
Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More
Dead Man Walking
Dead Man Walking: Wade Davis and the Secret of the Zombie Poison By Patrick D. Hahn Accepted on September 4, 2007 Twenty... Read More
Leukocytosis
What Is Leukocytosis? Leukocytosis is a condition wherein the number of White Blood Cells (WBCs) is increased above the... 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
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Punnett Square
Punnett Square Definition A tool that helps to show all possible allelic combinations of gametes in a cross of parents with... Read More
Saline solution
Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More
Plasmolysis
Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More
Secondary succession
We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... 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
Unicellular
Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More
Inbreeding
Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... 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
Apparent competition
Competition Definition One of the many branches of biology is ecology. Ecology is the study of the relationships that the... Read More
Polygenic trait
Polygenic Trait Definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More
Afferent Nerve
Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... 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
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
coronavirus COVID-19
Coronavirus Disease 2019 (COVID-19) Coronavirus Disease 2019 (COVID-19) is a contagious coronavirus disease first detected... Read More
FAAH-OUT mutation for a life of no pain – No FAAH, no pain
A Scottish woman claims that she has not experienced pain over some supposedly painful conditions, like a severe joint... Read More
Scared to Death
Scared to Death: Self-Willed Death, or the Bone-Pointing Syndrome by Patrick D Hahn Accepted on: September 4,... Read More
Alloparenting-What Is It?
“Alloparenting—What Is It?” Sonja G. Rosas 13 September 2007 An Introduction To Alloparenting Every gregarious... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... 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