which of the following is true of glycolysis
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HESI A2

HESI A2 Biology Practice Test

1. Which of the following is true of Glycolysis?

Correct answer: B

Rationale: Glycolysis is the first step in cellular respiration and can occur in both aerobic (presence of oxygen) and anaerobic (absence of oxygen) conditions. In aerobic respiration, glycolysis takes place in the presence of oxygen and continues with the Krebs cycle and the electron transport chain. So, glycolysis does not require the absence of oxygen but can occur in its presence as part of the overall process of aerobic respiration. Choice A is incorrect because glycolysis can occur in the presence of oxygen. Choice C is incorrect because glycolysis is not the final step of fermentation; it is the initial step. Choice D is incorrect because glycolysis is not the final step of anaerobic respiration; it is the first step, followed by further processes to complete anaerobic respiration.

2. What does the quoted word 'fundamental' mean in the following sentence?

Correct answer: D

Rationale: The correct answer is 'D: Basic.' In this context, 'fundamental' means basic or essential, referring to the core or foundational dissimilarity between the two medications. Choice A, 'Appropriate,' is incorrect as it does not reflect the meaning of 'fundamental' in this sentence. Choice B, 'Underlying,' is incorrect because although it is related, it does not capture the primary or essential nature of the difference being discussed. Choice C, 'Dosage,' is unrelated to the meaning of 'fundamental' and does not align with the context of the sentence.

3. What does Depth mean?

Correct answer: B

Rationale: Depth refers to the distance or downward measurement from a surface. It is not the thickness of an object (Choice A), as thickness is the measure of how thick or thin an object is, not necessarily related to depth. Additionally, it is not the length of a surface (Choice C) because length typically refers to the longest dimension of an object rather than its depth. Finally, it is not the area between two points (Choice D) because area is a measure of the space within a boundary defined by points, while depth specifically refers to the vertical distance below a surface.

4. Why doesn't an antibiotic work for treating the flu?

Correct answer: B

Rationale: The correct answer is B. Antibiotics are used to treat bacterial infections, not viral infections like the flu. The flu is caused by a virus, and antibiotics are ineffective against viruses. Choice A is incorrect because it does not address the fact that antibiotics do not work on viruses. Choice C is incorrect as the issue is not related to the dosage amount, but rather the nature of the infection. Choice D is incorrect as there is a specific reason why antibiotics do not work for the flu.

5. When a junked car is compacted, which statement is true?

Correct answer: C

Rationale: When a junked car is compacted, its volume decreases while its mass remains the same. As a result, the car's density increases because density is mass divided by volume. Choice A is incorrect because the mass of the car remains the same. Choice B is incorrect because the mass does not decrease. Choice D is incorrect because the density increases as the volume decreases, not decreases.

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