The part of the brain responsible for maintaining posture and equilibrium of the body is the Cerebellum. This part of the brain appears to be a... View Article
The very first organisms to have evolved are unicellular organisms. And the very first type of unicellular organisms are prokaryotes. These are... View Article
The blood vessel that contains the lowest concentration of urea is the Renal Vein. Urea is excreted out of the kidneys, so the blood vessel that... View Article
Ultrafiltration is a process that takes place in the kidneys. It occurs at the barrier between the filtrate in the Bowman’s capsule and... View Article
Apical meristem is a region of growth found in the plant’s shoots tips and root tips as well as the tips of new leaves and shoots. Apical... View Article
Mitochondria are known as the “powerhouse of the cell.” The organelle that is responsible for the production of energy in a cell is the... View Article
In humans and other vertebrates, certain processes are considered critical for sustaining life. These include respiration, nutrition, digestion,... View Article
Answer: Reflex action is the nearly instantaneous movement in response to a stimulus. The reason why the response is instantaneous is due to... View Article
Reproduction is an important survival strategy that is used to ensure the continuation of a species. Hence, without reproduction, life would... View Article
Multicellular organisms such as humans have complex organs and organ systems. Furthermore, most multicellular organisms are composed of at least... View Article
Receptors are specialized structures found in cell membranes. They are composed of protein molecules that bind to other specific molecules. When... View Article
ATP stands for Adenosine triphosphate, an organic molecule responsible for driving nearly all cellular mechanisms and processes in living... View Article
The epidermis in plants is a layer of cells that usually covers the roots, stems, leaves and flowers of plants. The epidermis is 4 layers thick... View Article
Abscisic acid is referred to as stress hormone as it causes different plant responses acting against stress conditions. It facilitates the seed... View Article
Blood is considered to be connective tissue for the following reasons: The embryological constituency of blood has the same origin as that of... View Article
Thallophyta division among plants has the simplest organisms The division Thallophyta has the simplest entities as their body design is simple,... View Article
Answer: Viroids - Viroids are infectious entities that affect plants that are smaller compared to a virus. They consist of only nucleic acid... View Article