what is the term for a solution that has a higher concentration of solute compared to another solution
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ATI TEAS 7

TEAS version 7 quizlet science

1. What is the term for a solution that has a higher concentration of solute compared to another solution?

Correct answer: D

Rationale: The correct answer is D, a concentrated solution. A concentrated solution contains a higher concentration of solute compared to another solution. This means there is a large amount of solute dissolved in the solvent, making it more concentrated than other solutions. Choices A, B, and C are incorrect. A saturated solution is one in which no more solute can be dissolved at a given temperature, an unsaturated solution can dissolve more solute at the given conditions, and a dilute solution has a low concentration of solute relative to the solvent.

2. What is the formula to calculate kinetic energy?

Correct answer: A

Rationale: Kinetic energy is the energy an object possesses due to its motion. The formula to calculate kinetic energy is KE = 0.5 × mass × velocity^2, which can also be written as KE = mass × (velocity)^2. Therefore, the correct formula is Kinetic Energy = Mass × Velocity. Choice B is incorrect because it represents the work formula. Choice C is incorrect as it represents the formula for work done. Choice D is incorrect as it does not accurately represent the formula for calculating kinetic energy.

3. What is the primary function of the coronary arteries in the cardiovascular system?

Correct answer: A

Rationale: The primary function of the coronary arteries is to carry oxygenated blood to the heart muscle. Oxygenated blood is crucial for providing nutrients and oxygen to the heart muscle cells, enabling the heart to work efficiently. Without this oxygenated blood supply, the heart muscle may not receive the required nutrients and oxygen, potentially resulting in heart damage or dysfunction. Choices B, C, and D are incorrect as coronary arteries do not carry deoxygenated blood from the heart muscle, pump blood to the lungs for oxygenation, or regulate blood pressure in the systemic circulation. The coronary arteries specifically supply oxygenated blood to the heart muscle to support its function and vitality.

4. If a biochemist isolates a large amount of pyruvate, which part of the cell is he working with?

Correct answer: B

Rationale: The correct answer is B: Cytoplasm. Pyruvate is a product of glycolysis, a metabolic pathway that takes place in the cytoplasm of the cell. Therefore, a biochemist isolating a large amount of pyruvate would be working with the cytoplasm of the cell. Choice A, Chloroplasts, is incorrect because pyruvate is not produced in chloroplasts, which are responsible for photosynthesis. Choice C, Mitochondria, is incorrect as pyruvate is produced in the cytoplasm before entering the mitochondria for further metabolism. Choice D, Nucleus, is incorrect as the nucleus is not involved in the production or isolation of pyruvate, which is a metabolic intermediate.

5. Which statement accurately describes the electron cloud model of the atom?

Correct answer: B

Rationale: The electron cloud model of the atom describes electrons as occupying specific energy levels around the nucleus with varying probabilities. This model does not suggest that electrons precisely orbit in defined paths as stated in option A. It acknowledges the wave-like behavior of electrons and their uncertainty in position, which is not accounted for in options C and D. Option C is incorrect as electrons are not clustered tightly within the nucleus but exist in the space surrounding the nucleus. Option D is incorrect as electrons do not move randomly throughout the entire atom but have specific probabilities of being found in different regions based on their energy levels. Therefore, option B is the most accurate description of the electron cloud model of the atom.

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