ATI TEAS 7
Biology
1. What is the process of cells dividing to produce new cells called?
- A. Cell division
- B. Cell differentiation
- C. Cell growth
- D. Cell regeneration
Correct answer: A
Rationale: Rationale: A) Cell division is the process by which a parent cell divides into two or more daughter cells, allowing for growth, repair, and reproduction in living organisms. This process ensures that genetic material is accurately passed on to the new cells. B) Cell differentiation refers to the process by which cells become specialized to perform specific functions in an organism. While cell division is essential for cell differentiation, they are distinct processes. C) Cell growth is the increase in size or mass of a cell, which can occur before or after cell division. While cell growth is a component of the cell division process, it is not the primary process of cells dividing to produce new cells. D) Cell regeneration is the process by which damaged or lost cells are replaced by new cells. While cell division is involved in cell regeneration, it specifically refers to the overall process of cells dividing to produce new cells. Therefore, the most appropriate answer to the ques
2. The author most likely included information about the Silk Road to...
- A. Introduce a famous tourist destination.
- B. Explain the architectural style of Petra.
- C. Emphasize the historical context of the city.
- D. Compare Petra to other ancient trade centers.
Correct answer: C
Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context
3. The rigid structure that provides shape and support to plant cells is called the:
- A. Cell wall
- B. Plasma membrane
- C. Nucleus
- D. Cytoplasm
Correct answer: A
Rationale: The correct answer is A: Cell wall. The cell wall is a rigid structure found in plant cells, providing support and shape to the cell. It is composed mainly of cellulose, a tough and fibrous substance that helps plants maintain their structure. The plasma membrane, option B, is a semi-permeable membrane that surrounds the cell and regulates the passage of substances in and out of the cell. The nucleus, option C, is the control center of the cell that contains genetic material. Cytoplasm, option D, is the jelly-like substance that fills the cell and houses organelles. In this context, the function of providing shape and support points specifically to the cell wall, making it the correct choice.
4. Passive transport does not require energy input from the cell. Which of the following is an example of passive transport?
- A. Active transport of ions across a membrane
- B. Diffusion of small molecules across a concentration gradient
- C. Movement of large molecules using vesicles
- D. Endocytosis of particles into the cell
Correct answer: D
Rationale: Passive transport refers to the movement of molecules across a cell membrane without the need for energy input. Endocytosis is an example of passive transport because it involves the cell engulfing particles or molecules from the external environment into vesicles without the direct expenditure of energy. On the other hand, options A, B, and C involve active processes that require energy. Active transport, such as the movement of ions against their concentration gradient, requires energy in the form of ATP. Diffusion of small molecules across a concentration gradient also does not require energy input, but it is a passive process, not active transport. Movement of large molecules using vesicles is a form of active transport called vesicular transport. Therefore, the correct answer is D, endocytosis of particles into the cell, as it exemplifies passive transport without the need for energy consumption by the cell.
5. What is the name of the wart-like growths caused by the human papillomavirus (HPV)?
- A. Keloids
- B. Keloids
- C. Papillomas
- D. Carcinomas
Correct answer: C
Rationale: The correct answer is C: 'Papillomas.' Wart-like growths caused by the human papillomavirus (HPV) are known as papillomas. Keloids are raised scars that occur at the site of skin injury, while carcinomas are cancerous tumors. It is important to differentiate between these terms to accurately describe the specific condition caused by HPV. Papillomas can vary in appearance and may be found on the skin, genital area, or inside the mouth and throat.
6. Define the term "momentum" in physics.
- A. Force exerted on an object
- B. Speed of an object in motion
- C. Mass in motion
- D. Distance traveled per unit time
Correct answer: c
Rationale: Momentum is the product of an object's mass and velocity, describing its motion and resistance to changes in motion.
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