Except for students of botany, many readers may not know what the term ‘embryophytes’ connotes. Embryophytes is the botanical term for common plants that have leaves, undergo photosynthesis, have roots and are multi-cellular. They include all the common plants known…
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The most basic distinction between plant species, all species that are part of the plant kingdom defined by the taxonomic system as Plantae, is that of either tracheophyte or bryophyte. Every terrestrial (land-based) plant species currently extant (existing) in today’s…
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Embryophytes are quite simply land plants or terrestrial plant. They include flowers, ferns, trees and mosses along with all other green land plants. The are all complex multicellular (containing more than one cell) eukanyotes (organism whose cells contain complex structures…
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Bactrian camels and dromedary or Arabian camels are large animals known for their humps, their amazing capacity to survive in extremely dry conditions, and their ability to transport people across arid deserts. Bactrian camels probably originated in the cold deserts…
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The phylum Bryophyte comprises all land plants (embryophytes) which are non-vascular. The non-vascular means that the plants of this type do not have the vascular tissue of other plants that is used to circulate liquids throughout the plant. These plants…
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I believe that genetic altering is right, if done for the right reasons and under the right conditions. I can understand genetic altering being done to prevent specific illnesses or disabilities. While I think that it should be done for…
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Bacteriophages are a special type of virus that exclusively infects bacterial cells. Here’s how they recognize, take over and ultimately kill their host bacteria. * Viral Host Recognition * Most viruses infect only a certain type of host. This specificity…
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Gram + bacteria stain purple due to the chemistry and structure of their peptidoglycan cell wall. Here’s how Gram staining identifies Gram-positive organisms. * The Gram Stain * In the 1800’s, Christian Gram, a Danish bacteriologist, developed a technique for…
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From the cell wall inward, most bacteria are much alike. The bacterial cell wall and materials adhering to its surface are the main ways in which we differentiate one species or strain from another. Some bacteria have an additional layer…
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Gram staining involves the application of a series of dyes that leaves some bacteria purple (Gram +) and others pink (Gram -). Here’s how the Gram stain works. * From Spontaneous Generation to Germ Theory * Through most of recorded…
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