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Bt maize / Bt corn is a variant of maize that has been genetically altered to express one or more proteins from the bacterium Bacillus thuringiensis [8] including Delta endotoxins. The protein is poisonous to certain insect pests. Spores of the bacillus are widely used in organic gardening, [9] although GM corn is not considered organic.
The MON 810 corn is a genetically modified maize used around the world. It is a Zea mays line known as YieldGard from the company Monsanto. [1] This plant is a genetically modified organism (GMO) designed to combat crop loss due to insects.
A study published in Nature in 2001 reported Bt-containing maize genes were found in maize in its center of origin, Oaxaca, Mexico. [104] Another Nature paper published in 2002 claimed that the previous paper's conclusion was the result of an artifact caused by an inverse polymerase chain reaction and that "the evidence available is not ...
[1] Elementary mathematics, also known as primary or secondary school mathematics, is the study of mathematics topics that are commonly taught at the primary or secondary school levels around the world. It includes a wide range of mathematical concepts and skills, including number sense, algebra, geometry, measurement, and data analysis. These ...
The use of Bt cotton in India has grown exponentially since its introduction in 2002. [25] Eight years after the deployment of Bt cotton, India became the number one exporter of cotton globally and the second largest cotton producer in the world. India has bred Bt-cotton varieties such as Bikaneri Nerma and hybrids such as NHH-44. [26]
In geometry, Thales's theorem states that if A, B, and C are distinct points on a circle where the line AC is a diameter, the angle ∠ ABC is a right angle. Thales's theorem is a special case of the inscribed angle theorem and is mentioned and proved as part of the 31st proposition in the third book of Euclid 's Elements . [ 1 ]
The van Hiele levels have five properties: 1. Fixed sequence: the levels are hierarchical.Students cannot "skip" a level. [5] The van Hieles claim that much of the difficulty experienced by geometry students is due to being taught at the Deduction level when they have not yet achieved the Abstraction level.
1 November 12. Toggle November 12 subsection. 1.1 Bird identification. 5 comments. 1.2 Where have all the slugs gone? 9 comments. 1.3 Laundry detergent as dish soap.