Explains what is meant by specialized cells and provides examples for humans and plants.

Biological mimicry is a fascinating subject and Batesian mimicry does not disappoint. It occurs as a protective mechanism when one defenseless species mimics characteristics of a species that can harm or even poison a predator. Examples...

A cell lysis solution is used to disrupt cellular membranes. This resource provides a detailed explanation of how to make a cell lysis solution and describes the different ingredients, their functions, and the choices available, all...

The different types of autophagy are broken down and described, including macroautophagy, microautophagy, and chaperone-mediated autophagy. The role of autophagy in cell death is also discussed.

Discusses the structure of a cell membrane, the role of membrane proteins, and the differences between integral membrane proteins and peripheral membrane proteins as regards to their functions, location, and relationship with the...

Explains the importance of systems of organization in biology and describes the thirteen levels of organization, from the atom up to the biosphere.

Phagocytosis and pinocytosis are two cellular processes that involve endocytosis. Their characteristics and the differences between them are clearly described here.

Explains two types of genetic cross - a reciprocal cross and a test cross. Examples are described for a monohybrid and a dihybrid test cross and for a reciprocal cross.

NADH and NADPH are enzymes involved in cellular processes. Explains how NADH participates in catabolic reactions where energy is released and NADPH is involved in anabolic reactions where energy is consumed. Their functions and chemical...

Describes the anatomy of a frog's digestive system and how the stages in the process of digestion. A comparison is made with the human digestive system.

Describes the parts, structure, and the several methods of reproduction of spirogyra, a type of green algae.

The Northern blot and the Southern blot are two methods used to analyze DNA and RNA. Each technique is described, its purpose, and the methodology. A table comparing features of each is provided.

Explains what Batesian mimicry and Mullerian mimicry are, their similarities and differences, what their cycles look like, and their frequency dependence levels. Provides examples for insects and plants.

Carrier proteins and channel proteins are both involved in cell transport across the plasma membrane. Their functions, similarities, and differences are described in this resource. Includes examples for active, facilitated, and passive...

Provides a comparison of germline and somatic mutations based on cause, heredity, how they are inherited, the effects they have, when they occur, the extent of the occurrence, and how they are detected. Describes examples of both types...

Explains in detail what the lytic and lysogenic cycles of a virus are and the stages of each cycle. Also presents a table highlighting the differences between them.

Describes the levels of organization in biology, from the subatomic particle up to the biosphere.

Explains what happens during glycolysis in eukaryotic cells, what the products are, their composition, and their properties.

Discusses the discovery of Homo neanderthalensis and describes the different theories that have been put forward to explain why Neanderthals became extinct.

Explains what a hydrostatic skeleton is and the types of organisms that have one. Describes examples from six phyla and the advantages and disadvantages of this type of skeleton.

'This resource describes some of the history of forensic science and what Locard's Exchange Principle is and how it is applied. Discusses the different types of trace evidence that investigators look for and some drawbacks of Locard's...

Explains what dominant and recessive traits are and how they work, and provides a list of single gene traits with the degree of manifestation if they are dominant or recessive. Also discusses co-dominance, incomplete dominance, polygenic...

Describes the stages of development in animals from conception to the formation of the blastophore and then the three germ layers - the endoderm, mesoderm, and ectoderm. Details about each of the layers are also given.

Presents a timeline of the history of genetic engineering beginning in 1859 with the publication of The Origin of Species by Charles Darwin.