PIOPEDIA Blog

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Kingdom Animalia

Kingdom Animalia: Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, can reproduce sexually, and grow from a hollow...

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Eubacterium

Eubacterium: Eubacterium is a genus of Gram-positive bacteria in the family Eubacteriaceae. These bacteria are characterised by a rigid cell wall. They may either be motile or nonmotile. If motile, they have a flagellum....

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Archaea

Archaea: They are a group of most primitive prokaryotes which are believed to have evolved immediately after the evolution of the first life. They have been placed in a separate subk­ingdom or domain of...

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Human respiratory system

Human respiratory system: Definition: A system of organs functioning in respiration is called respiratory system. Explanation: Human respiratory system consists of lungs and air passage to carry air to and from lungs. A) Air...

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Brucella melitensis

Brucella melitensis: Before Brucella melitensis was recognized as the cause of Malta fever in man, a disease causing the same symptoms in countries bordering the Mediterranean was known as Fibris andulans. David Bruce, a...

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Bacillus anthracis

Bacillus anthracis:                                  Bacillus anthracis is the etiologic agent of anthrax—a common disease of livestock and, occasionally, of humans—and the only obligate pathogen within the genus Bacillus. This disease can be classified as a zoonosis, causing infected animals to transmit the disease...

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Brucella abortus

Description and significance: Brucella abortus is a gram-negative bacterium that is found in cattle populations. This intracellular parasite is a blood borne pathogen that causes premature abortion of a cattle fetus. What makes this...

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Lysinibacillus fusiformis

Introduction: Lysinibacillus fusiformis (commonly abbreviated L. fusiformis) is a gram-positive, rod-shaped bacterium of the genus Lysinibacillus. Scientists have yet to completely characterize this microbe’s pathogenic nature. Though little is known about this organism, several...

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Mitochondria

Mitochondria: Mitochondria (singular: mitochondrion) are organelles within eukaryotic cells that produce adenosine triphosphate (ATP), the main energy molecule used by the cell. For this reason, the mitochondrion is sometimes referred to as “the powerhouse of the cell”. Mitochondria...

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Lysosome

Lysosome: A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading...

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