Tutor profile: Saksham S.
Marcus [Sexto] servatur. Translate this Latin sentence into English. Give the number and case of the bracketed word. Why is this word in the case it is?
The English translation of this sentence is: Marcus is served by Sextus. The number and case of 'Sexto' are singular and ablative, respectively. 'Sexto' is in the ablative case as the action described by the word is done by Sextus. Hence, 'Sexto' is an ablative of agent.
How does the cell repair a depurination?
Depurination is the loss of a purine (Adenine [A] and Guanine [G]) base that results in an abasic site in DNA. The cell, for unknown reasons, would pair all abasic sites with the base A, instead of the correct bases. Hence, a depurination may result in a mutation if it is not repaired prior to replication. Base Excision repair is used to repair small base modifications like depurinations. The first step in the process is the cleavage of the backbone at the 5' end. Phosphodiesterase then removes the sugar and phosphate group of the abasic site. DNA polymerase fills the gap with the matching nucleotide to the sister strand. Finally, DNA ligase seals the remaining single-strand nick, completing the repair.
ACT English Question: [I running to the store carried] my phone. Choose the best alternative for the bracketed section. A. NO CHANGE B. I ran to the store picked C. Running to the store, I carried my phone D. I run to the store carried
The correct answer is C. It is the only choice that is grammatically correct. Choice A requires commas around the phrase 'running to the store' to make it accurate. Choice B and D both have two verbs with no conjunction in between, making both incorrect.
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