ATI TEAS 7
Reading
1. The author expresses concern about the...
- A. high cost and limited efficiency of traditional fossil fuel power plants.
- B. unpredictable weather patterns and their impact on renewable energy production.
- C. increasing dependence on technology and potential cybersecurity risks.
- D. negative environmental consequences of renewable energy infrastructure.
Correct answer: B
Rationale: The passage's focus on managing the intermittency of renewable energy due to weather conditions implies concern about B.
2. Which word completes the sentence: "Despite the storm, the concert ____ went on."
- A. nevertheless
- B. however
- C. therefore
- D. nonetheless
Correct answer: D
Rationale: "Nonetheless" emphasizes the continuation of the concert despite the contrary circumstance.
3. What is the SI unit of measurement for work?
- A. Newton-meter (N·m)
- B. Joule (J)
- C. Watt (W)
- D. Meter per second (m/s)
Correct answer: b
Rationale: Work is measured in Joules (J) in the SI unit system.
4. What is the name of the regulatory region in a gene that controls its expression?
- A. Exon
- B. Intron
- C. Promoter
- D. Enhancer
Correct answer: C
Rationale: Rationale: A) Exon: Exons are the coding regions of a gene that are transcribed into mRNA and eventually translated into proteins. Exons do not regulate gene expression. B) Intron: Introns are non-coding regions of a gene that are removed during RNA processing and do not play a direct role in controlling gene expression. C) Promoter: The promoter is a regulatory region located at the beginning of a gene that initiates the process of transcription by binding transcription factors and RNA polymerase. It plays a crucial role in controlling gene expression. D) Enhancer: Enhancers are regulatory regions that can be located far from the gene they regulate and can increase the transcription of a gene. While enhancers are important for gene expression, the specific region that controls gene expression is the promoter. Therefore, the correct answer is C) Promoter, as it is the regulatory region in a gene that controls its expression by initiating transcription.
5. Which of the following is a unit of power?
- A. Newton-meter (N·m)
- B. Joule (J)
- C. Watt (W)
- D. Kilogram (kg)
Correct answer: c
Rationale: Watt is the unit of power, measuring the rate of work done or energy transfer.
6. When sodium hydroxide (NaOH) reacts with hydrochloric acid (HCl), the resulting product is:
- A. Hydrogen gas and sodium chloride (NaCl)
- B. Chlorine gas and sodium oxide (Na2O)
- C. Sodium metal (Na) and water (H2O)
- D. No reaction occurs.
Correct answer: A
Rationale: This is a classic neutralization reaction, forming water and a salt (sodium chloride).
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