PLEASEEE HEL TIMES TEST !! Aminoacyl-tRNA synthetase is an enzyme that is responsible for attaching the correct amino acid to the tRNA
molecule. As the mRNA transcript is read by the ribosome, the complementary tRNA molecule then brings the correct
amino acid to the polypeptide chain. Although aminoacyl-tRNA synthetase is very accurate, it will rarely attach the
wrong amino acid to the tRNA. Which of the following could be the cause of an error in this process that results in the
histidine amino acid being substituted for a phenylalanine amino acid, causing a misfolding of polypeptide chain?
O The wobble effect of tRNA will allow aminoacyl-tRNA synthetase to bind to a group of amino acids.
O Aminoacyl-tRNA synthetase will change the structure of the tRNA to allow for binding to a different amino acid.
O Certain amino acids have very similar structures in their attachment ends and can cause aminoacyl-tRNA
synthetase to bind to the wrong amino acid.
O Aminoacyl-tRNA synthetase determines if a misreading error has occurred by the ribosome and will replace the
tRNA anticodon to pair with a different amino acid.

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picture a world where computers are building made-to-order personalized robotic arms and synthetic organs, drones are circulating above mars! due to the rapid growth of technology, the future has never been more unpredictable, and it presents a huge challenge in education: we are teaching students how to work in a future that we have never been unsure of. it is widely predicted that in eight years’ time, there will be more jobs in the fields of science, mathematics, technology and engineering than in any other discipline. and, as the technology continues to develop, it will soon become clear that addressing social problems will involve more innovative thinking, and analytical and technical knowledge than ever before. undeniably, there are no subjects that encourage innovative and creative thinking, deep thought, problem solving and independence more than the stem subjects. while it is widely commented on that there is a need to reimagine the ways stem subjects are taught in schools by embracing a more interactive and innovative approach to appeal to more students, it should come as no surprise that some of the most reputable educational organizations in the world are already implementing changes to embrace stem. harvard, for example, announced in 2014 that they were increasing their computer science faculty by over 50% and has since introduced computer science as a core subject for all freshmen. the urgency of supporting stem subjects at a young age is becoming more relevant than ever, as adopting a keen interest in the curricula needs to happen early. however, beyond the age issue is one of gender.

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69 is the correct math for the amino acids