which structure in the cell is responsible for producing energy in the form of atp
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ATI TEAS 7

ATI TEAS Practice Test Science

1. Which organelle in the cell is responsible for producing energy in the form of ATP?

Correct answer: B

Rationale: The correct answer is B: Mitochondria. Mitochondria are known as the powerhouses of the cell and are responsible for producing energy in the form of ATP through cellular respiration. ATP is the primary energy currency of the cell, powering various cellular activities. The nucleus (choice A) is responsible for housing the cell's genetic material but is not involved in ATP production. Ribosomes (choice C) are involved in protein synthesis, not energy production. The Golgi apparatus (choice D) is responsible for modifying, sorting, and packaging proteins for secretion, not for ATP production.

2. Which of the following are functions of the liver?

Correct answer: D

Rationale: The liver performs various essential functions in the body. It supports waste disposal by breaking down toxins and producing bile to eliminate waste, aids in blood clotting through the synthesis of plasma proteins like fibrinogen, and emulsifies fats by producing bile that helps in fat digestion. All the statements accurately describe functions of the liver, making option D 'All of the above' the correct choice. Option A is incorrect as it oversimplifies the waste disposal function without mentioning the breakdown of toxins. Option B is incorrect as it only focuses on blood clotting and not the other functions of the liver. Option C is incorrect as it solely emphasizes fat emulsification and does not cover the liver's other crucial roles.

3. Based on the information in the announcement, what might the reader assume about how the university determined the lunch schedule?

Correct answer: C

Rationale: The announcement states that the university polled the various departments about schedules to determine a recommended roster for each department to visit the canteen for lunch. This indicates that the university checked to see when the most faculty members from each department would be entering the canteen to offset the crowding issue. Therefore, the correct choice is C. Choices A, B, and D are incorrect because there is no mention of arranging the schedule alphabetically, checking with departments in advance for agreement, or simply establishing different times without considering faculty members' schedules in the announcement. The university's approach was to tailor the lunch schedule based on each department's peak entry times to manage the crowding problem effectively.

4. How many pints are in one quart?

Correct answer: B

Rationale: The correct answer is B: 2 pints. There are 2 pints in one quart. A quart is equivalent to 2 pints, so each quart contains 2 pints. Choice A, 1 pint, is incorrect because a quart consists of more than 1 pint. Choice C, 3 pints, and Choice D, 4 pints, are also incorrect as they do not accurately represent the conversion of quarts to pints.

5. Which cells myelinate neurons in the PNS?

Correct answer: C

Rationale: Schwann cells are the glial cells responsible for myelinating neurons in the peripheral nervous system (PNS). They form the myelin sheath around axons, which helps in the conduction of electrical impulses. Oligodendrocytes, on the other hand, myelinate neurons in the central nervous system (CNS). Astrocytes primarily provide support for neuronal function by regulating the chemical environment around neurons and maintaining the blood-brain barrier. Microglia are part of the immune response in the CNS, where they act as the resident macrophages, playing a role in immune surveillance and response to injury or disease. Therefore, the correct answer is Schwann cells (Choice C) as they specifically myelinate neurons in the PNS, differentiating them from the other cell types mentioned in the choices.

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