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Nursing Elites

ATI TEAS 7

Biology

1. What is the role of RNA in protein synthesis?

Correct answer: B

Rationale: Rationale: RNA plays a crucial role in protein synthesis by decoding the genetic information stored in DNA and carrying it to the ribosomes where proteins are synthesized. This process involves transcription, where RNA is synthesized from DNA, and translation, where the information in RNA is used to assemble amino acids into proteins. RNA acts as a messenger between DNA and the ribosomes, ensuring that the correct sequence of amino acids is used to build proteins according to the genetic code. Therefore, option B is the most appropriate choice as it accurately describes the role of RNA in protein synthesis.

2. When light reflects from a surface, what determines the angle of reflection?

Correct answer: C

Rationale: The angle of reflection is always equal to the angle of incidence according to the law of reflection, regardless of the material, wavelength, or intensity.

3. Which element has the same number of protons and neutrons?

Correct answer: D

Rationale: Helium (He) - He-4 has 2 protons and 2 neutrons, while the other options have differing numbers.

4. The gradual loss of topsoil due to wind or water erosion is called:

Correct answer: A

Rationale: Rationale: A) Desertification refers to the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture practices. The gradual loss of topsoil due to wind or water erosion can lead to the degradation of land and contribute to desertification. B) Leaching is the process by which minerals are washed out of the soil by water moving downwards through it. C) Salinization occurs when salt accumulates in the soil, usually as a result of irrigation in arid regions. D) Acidification refers to the decrease in soil pH, often caused by acid rain or the use of acidic fertilizers.

5. What part of speech is the underlined word in the sentence "I was disappointed by the outcome"?

Correct answer: C

Rationale: "Disappointed" modifies the pronoun "I," making it an adjective.

6. Urine travels from the kidneys to the bladder through tubes called:

Correct answer: B

Rationale: The correct answer is B: Ureters. The ureters are the tubes that carry urine from the kidneys to the bladder. The renal arteries and renal veins are blood vessels that supply and drain blood from the kidneys, respectively. The urethra is the tube that carries urine from the bladder out of the body. Understanding the anatomy of the urinary system is important for grasping how waste is processed and eliminated by the body.

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