ATI TEAS 7
physics
1. Which term describes a substance's ability to undergo a change that transforms it into a different substance?
- A. Density
- B. Mass
- C. Reactivity
- D. Volume
Correct answer: c
Rationale: Reactivity refers to a substance's ability to undergo a chemical change or reaction, transforming it into one or more different substances with new properties.
2. The process by which a cell divides to produce two daughter cells is called:
- A. Mitosis
- B. Meiosis
- C. Differentiation
- D. Transformation
Correct answer: A
Rationale: The correct answer is A: "Mitosis." Mitosis is the process of cell division in which a cell duplicates its chromosomes and divides into two identical daughter cells. This is a crucial mechanism for growth, repair, and maintenance of multicellular organisms. Meiosis (option B) is a different type of cell division that produces gametes with half the number of chromosomes. Differentiation (option C) refers to the process by which cells become specialized for specific functions. Transformation (option D) is a term used in molecular biology to describe the uptake of foreign DNA by a cell. In this question, the specific process of cell division leading to the production of two daughter cells aligns with mitosis.
3. Which of the following is NOT a part of a plant cell?
- A. Cell wall
- B. Plasma membrane
- C. Vacuole
- D. Mitochondria
Correct answer: D
Rationale: Rationale: A) Cell wall: This is a structure found in plant cells that provides support and protection. B) Plasma membrane: Also known as the cell membrane, it surrounds the cell and regulates the passage of substances in and out of the cell. C) Vacuole: This is a storage organelle found in plant cells that stores water, nutrients, and waste products. D) Mitochondria: Mitochondria are membrane-bound organelles found in both plant and animal cells. They are responsible for producing energy in the form of ATP through cellular respiration. Therefore, the correct answer is D) Mitochondria, as it is a part of a plant cell.
4. The pancreas releases a number of digestive enzymes into the small intestine. Which of the following enzymes is NOT produced by the pancreas?
- A. Trypsin (protein digestion)
- B. Amylase (carbohydrate digestion)
- C. Lipase (fat digestion)
- D. Lactase (sugar digestion)
Correct answer: B
Rationale: The correct answer is B: Amylase (carbohydrate digestion). The pancreas produces digestive enzymes that aid in breaking down food components. Trypsin is produced by the pancreas for protein digestion, lipase for fat digestion, and lactase is an enzyme produced in the small intestine for breaking down lactose (sugar). Amylase, on the other hand, is primarily produced in the salivary glands and the pancreas to break down carbohydrates into simple sugars. Therefore, amylase is not a pancreatic enzyme for digestion, making it the correct answer in this question.
5. Which adjective best describes the following setting: "A lone cabin stood nestled amongst towering pines, smoke curling from its chimney into the crisp mountain air."
- A. Bland
- B. Urban
- C. Idyllic
- D. Sterile
Correct answer: C
Rationale: "Idyllic" captures the peaceful and picturesque nature of the setting.
6. Which word is misspelled?
- A. accommodate
- B. acquiesce
- C. circumstance
- D. indelible
Correct answer: D
Rationale: "Indelible" is spelled correctly, while "circumstance" should be "circumstance."
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