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The study of DNA started much before the discoveries of Rosalind Franklin and Maurice Wilkins. Nucleus of cell was discovered by Robert Brown in 1831 but the material present inside the nucleus called "nuclein" (DNA) came from the studies of Johann Friedrich Miescher in 1869.
Explanation:
Answer:
rhizobia is an important nitrogen fixing bacteria found in the soil to help grwo plants like legumes. rhizobia enter into a symbiotic relationship withe legumes
Explanation:
rhizobia and legumes coexist by entering into a symbiotic association. rhizobia is a bacteria that fixes nitrogen molecules for the legumes and in return the legumes provide the bacteria with food and nutrition.
If rhizobia becomes extinct in the near future it would be difficult for plants like legumes to grow as they wouldn't get sufficient nitrogen and nitrogen is an important nutrition for the plant to grow and develop. Thus it can cause rapid depletion or death of plants that need rhizobia to fix nitrogen molecules for them.
In 1215, after King John of England violated a number of ancient laws and customs by which England had been governed, his subjects forced him to sign the Magna Carta, which enumerates what later came to be thought of as human rights
Answer:
H. pylori (Helicobacter pylori) is a bacteria that maintains homeostasis of the human body by establishing chronic infection from ulcers and gastritis and using the method of autophagy to cleanse the body of damaged cells. H. pylori also contributes to the workings of the immune defense system.
