Search Results for: travel
Autocrine signaling
Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More
Commensalism
Commensalism Definition What is commensalism? Literally, commensalism is a Latin word that means ‘to eat at the same... Read More
Food chain
Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More
Spermatogenesis
Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... 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
New Zealand’s Unique Flora
By: Maria Victoria Gonzaga In the previous lesson, we've come to know some of the most fascinating endemic... Read More
Maxam-Gilbert sequencing
Definition noun A DNA sequencing technique developed in 1976-1977 by Allan Maxam and Walter Gilbart to identify the sequence... Read More
Bell-Magendie law
Definition noun The principle referring to the separation of sensory and motor neurons of the spinal cord, where the... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Prophase I
Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More
Langerhans cell
Definition noun, plural: Langerhans cells An antigen-presenting (dendritic) cell characterized by the presence of Birbeck... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... 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
Alloparenting-What Is It?
“Alloparenting—What Is It?” Sonja G. Rosas 13 September 2007 An Introduction To Alloparenting Every gregarious... Read More
Chronobiology
Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More
Dense irregular connective tissue
Dense Irregular Connective Tissue Definition Dense irregular connective tissue is one of the two major types of dense... Read More
Genetic Information and Protein Synthesis
Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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
Lotic Communities & Animals
A running water environment offers numerous microhabitats that simulate favorable conditions for many types of animals to... Read More
Physiological Homeostasis
In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More
Permanent Tattoo Means Permanent Immune Action Of Macrophages
Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More
Tracking the migration of Whip-poor-will in Americas
Eastern whip-poor-will (Antrostomus vociferous) is continuously declining due to habitat loss and unavailability of insects... Read More
Mātauranga Māori and Science
By: Maria Victoria Gonzaga In the previous lesson, we learned about the various methods used in measuring... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Cell differentiation
Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More
Cohesion Tension Theory
The hypothesis used to explain how water can travel upwards against gravity in a plant. Transpiration is believed to play a... Read More
Coordination
Coordination Definition When a person hears the word coordination, they think of order, organization, or even managing... Read More
