ATI TEAS 7
English Grammar
1. Which verb tense best fits the blank: "By next month, she _____ the project for a year."
- A. will have been working on
- B. will work on
- C. has been working on
- D. had worked on
Correct answer: C
Rationale: The sentence emphasizes the completed duration of the project by next month, requiring the present perfect continuous tense.
2. What is the role of transfer RNA (tRNA) in protein synthesis?
- A. Transcribes DNA into mRNA
- B. Decodes the genetic code on mRNA
- C. Carries specific amino acids to the ribosomes bas(a) Carries amino acids to the ribosomes: This is the function of transfer RNA (tRNA), not ribosomal RNA. (b) Reads the genetic code on mRNA: This is the function of the ribosomes as a whole, not just the ribosomal RNA. (d) Controls the rate of protein synthesis: This is a more complex process involving various factors, not solely ribosomal RNA. ? ed on the mRNA
- D. Modifies the structure of proteins
Correct answer: C
Rationale: Rationale: A) Transcribes DNA into mRNA: This is the function of RNA polymerase, not transfer RNA (tRNA). tRNA is involved in protein synthesis, not transcription. B) Decodes the genetic code on mRNA: This is the function of tRNA during translation. tRNA molecules carry specific amino acids and recognize the codons on mRNA, ensuring the correct amino acid is added to the growing polypeptide chain. C) Carries specific amino acids to the ribosomes: This is the primary role of tRNA in protein synthesis. Each tRNA molecule is specific for a particular amino acid and carries it to the ribosome, where it is added to the growing protein chain. D) Modifies the structure of proteins: This is not a function of tRNA. Protein modification can occur after translation is complete and involves other cellular processes and molecules.
3. Identify the participial phrase in the following sentence: "Running through the park, she spotted a squirrel."
- A. Running
- B. through the park
- C. she spotted
- D. a squirrel
Correct answer: B
Rationale: A participial phrase acts as an adjective but is formed from a verb.
4. Which sentence uses the semicolon correctly?
- A. The play was long; however, it was very entertaining.
- B. The guests arrived; Sarah greeted them at the door.
- C. John likes apples; Mary prefers oranges.
- D. He was tired; he went to bed early.
Correct answer: B
Rationale: Option B joins two independent clauses related to the same event.
5. Which type of nuclear force is responsible for holding protons and neutrons together in the nucleus of an atom?
- A. Electromagnetism
- B. Gravity
- C. Strong nuclear force
- D. Weak nuclear force
Correct answer: C
Rationale: The incredibly powerful, strong nuclear force overcomes the repulsive electrostatic force between protons, binding them together and stabilizing the nucleus.
6. Which sentence uses the present perfect continuous tense correctly?
- A. I have been working on this project since morning.
- B. She has finished the book already.
- C. They will be leaving for vacation tomorrow.
- D. He had been living in the city for ten years.
Correct answer: A
Rationale: Option A emphasizes the ongoing action (working) that started in the past and continues to the present.
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