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Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories ...
Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls.
Both Gram-positive and Gram-negative bacteria can cause disease. However, they require different treatments. Therefore, medical professionals need to be able to identify the type of bacteria to ...
Gram positive bacteria. Gram positive bacteria have a distinctive purple appearance when observed under a light microscope following Gram staining. This is due to retention of the purple crystal ...
Gram-negative bacteria have the ability to cause a lot of diseases in humans. They can reach almost all of the organ systems. Your doctor may need to try several antibiotics to beat the infection.
Picking up where traditional antibiotics are failing, two natural compounds have been shown effective in killing ...
These gram-positive bacteria are typically found in human and animal intestines. Bacteria are of two types – gram-positive and gram-negative – based on their characteristics.
Being able to differentiate bacterial species is important for a host of reasons. While molecular techniques can determine the specific species, even without getting into the molecular nitty gritty, ...