ATI TEAS 7
English Grammar
1. Identify the pronoun in the following sentence: She quickly finished her homework before dinner.
- A. quickly
- B. finished
- C. her
- D. before
Correct answer: C
Rationale: Pronouns take the place of nouns. "Her" replaces a specific female person's name.
2. Which type of cell division is responsible for sexual reproduction?
- A. Mitosis
- B. Meiosis
- C. Amitosis
- D. Cytokinesis
Correct answer: B
Rationale: Rationale: Meiosis is the type of cell division responsible for sexual reproduction. During meiosis, a single cell undergoes two rounds of division to produce four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is essential for sexual reproduction, as it ensures that when two gametes (sperm and egg) combine during fertilization, the resulting zygote will have the correct number of chromosomes. Mitosis, on the other hand, is a type of cell division that produces two daughter cells with the same number of chromosomes as the parent cell and is involved in growth, repair, and asexual reproduction. Amitosis is a rare form of cell division that does not involve the typical processes of mitosis or meiosis. Cytokinesis is the process of dividing the cytoplasm of a cell after mitosis or meiosis.
3. The phrase "a bold new world" is an example of
- A. Hyperbole
- B. Oxymoron
- C. Simile
- D. Metaphor
Correct answer: B
Rationale: An oxymoron combines contradictory terms, like "bold new" signifying the unexpected and promising nature of the world.
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. What is the name for the tiny particles that make up atoms?
- A. Protons
- B. Electrons
- C. Neutrons
- D. Subatomic particles
Correct answer: D
Rationale: Protons, neutrons, and electrons are all subatomic particles that make up atoms.
6. What is the scientific unit used to measure the radioactivity of a substance?
- A. Becquerel (Bq)
- B. Joule (J)
- C. Newton (N)
- D. Kelvin (K)
Correct answer: A
Rationale: Becquerel measures the number of nuclear decays per second in a radioactive sample.
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