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Tutor profile: Katelyn G.

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Katelyn G.
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Questions

Subject: Spanish

TutorMe
Question:

Identify the proper conjugation of the following verb in context. (Identifique la propia conjugación del siguente verbo en contexto.) Mi hermano fue al mercado para comprar un dulce después del examen porque cuando era niño siempre (comer) dulces después de la escuela.

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Katelyn G.
Answer:

comía Here, the verb describes a repeat action performed by the brother when he was a child. This indicates that the use of the imperfect tense is necessary.

Subject: SAT

TutorMe
Question:

SAT Writing: They're companions whom fought against their greatest enemies that challenged the king's authenticity.

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Katelyn G.
Answer:

The error in this sentence lies in the use of "whom" because the pronoun serves as a subject. "Whom" is an object pronoun, while "who" is a subject pronoun. Thus, "who" should be used instead.

Subject: Biology

TutorMe
Question:

Why would a treatment of penicillin be more effective against Gram positive bacteria versus Gram negative bacteria?

Inactive
Katelyn G.
Answer:

Penicillin is effective only against Gram positive bacteria because it is able to attack the exposed peptidoglycan layer. In Gram negative bacteria, the thin membrane is difficult to penetrate, thus protecting the peptidoglycan layer.

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