Colchicine is a drug that can prevent the formation of microtubules. By blocking the synthesis of spindle microtubules, it will stop mitosis in cell division.
A traditional anti-mitotic medication called colchicine prevents mitotic cells from dividing during metaphase. It forms tubulin-colchicine complexes with soluble tubulin in an imperfectly reversible way, which bind to the ends of microtubules to stop the elongation of the microtubule polymer.
Colchicine is an alkaloid from the Colchicum autumnale plant that prevents microtubule polymerization, which is thought to be necessary for collagen production. This substance is therefore thought to function as an antifibrotic substance by inhibiting collagen production and deposition.
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I don't know what the original empire was, so I don't know what the "others" are, but here some examples:
- the Aztec empire. Contribution: the cultivation of cocoa plant
-the Roman Empire. Contribution: roads, aqueducts, spread of latin script
- Islamic Empire. Contribution: maintenance of ancient Greek knowledge in their libraries and contributions to medical knowledge
Answer:
Photo processing is no longer in demand as a career because digital technology has largely replaced the use of film.
Explanation:
Careers like photo processing are no longer in high demand because technology has advanced and now photos being taken are largely digital format and this had done away with a lot of the need to process photos manually using chemical agents. The principal means of processing photos using a gelatin-silver process required soaking the photo in a series of different baths like the developer bath, the stop bath, and the fixer bath. Gelatin silver printing has been the most common process for photographers to develop black and white photographs since the 1890s when photography started to become more widespread and commonplace. Digital photography has revolutionized the way that the average person takes photographs and there is no longer much demand at all for cameras that use old-fashioned film.
Answer:
Sharks swallowed and ate the bodies of African slaves that were thrown into the sea.
Explanation:
The middle passage is a stage in the triangular trade where Slaves from the African coasts were carried across the Atlantic ocean to South and North America. In the course of crossing this ocean, some slaves became so weak that they could no longer continue the journey. Some others died from the stress and starvation they experienced in the course of the journey. This set of people were usually thrown into the ocean by their captors and their bodies were readily swallowed by the sharks.
It is believed that some of these sharks followed the ships closely so as to readily grab the opportunity of swallowing the slaves when they were thrown aboard.
Social media can at times Weaken our inhibitions or internal censors, emboldening us to write things or post images.
Our contacts with others on social media frequently result in "weak bonds," meaning that we don't feel as personally connected to them as we do when we speak to them in person. Consequently, even while we communicate more, we may not necessarily be strengthening our relationships as much.
When we connect via social media, we frequently trust the individuals receiving our messages, which results in generally more honest conversation. Second, we tend not to deepen our relationships—they tend to remain in the status quo—because social media does not strengthen our social ties as much as face-to-face interaction does. Finally, we don't receive the same variety of ideas as we once did because we frequently contact and follow people who share our opinions.
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