The word, "but" is a coordinating conjunction that is coord in the given sentence.
<h3>What is a conjunction?</h3>
In grammar, conjunction (abbreviated conj or cnj) is part of speech that connects words, phrases, or clauses which can be referred to as the conjuncts of the conjunctions. This definition might also additionally overlap with that of different components of speech, so what constitutes a "conjunction" should be described for every language. In English, a given phrase might also additionally have numerous senses, being both a preposition or conjunction relying on the syntax of the sentence. For example, after is a preposition in "he left after the fight", however, it's miles conjunction in "he left once they fought". In general, a conjunction is an invariable (non-inflected) grammatical particle and it could or won't stand among the gadgets conjoined.
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I beleve it is "I met with Mae after school every week" Because that can be its own sentence.
Substitution is a small scale mutation. It doesn't hold a major effect like insertion and deletion. Insertion and deletion cause frameshifts, which can change all the codons after it, therefore coding the incorrect proteins. Hope this helps!