what is the process of breaking down lipids into fatty acids and glycerol called
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ATI TEAS 7

ATI TEAS 7 science review

1. What is the process of breaking down lipids into fatty acids and glycerol called?

Correct answer: A

Rationale: - Lipolysis is indeed the correct answer. It is the process of breaking down lipids (fats) into fatty acids and glycerol. This process occurs in adipose tissue and is important for releasing stored energy in the form of fatty acids. - Gluconeogenesis is the process of synthesizing glucose from non-carbohydrate sources like amino acids and glycerol, not breaking down lipids. - The Krebs cycle (also known as the citric acid cycle) is a series of chemical reactions that occur in the mitochondria to generate energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins. - Oxidative phosphorylation is the final stage of cellular respiration where ATP is produced through the transfer of electrons in the electron transport chain. It is not specifically related to the breakdown of lipids into fatty acids and glycerol.

2. Which of the following is an example of a secondary alcohol?

Correct answer: C

Rationale: Isopropanol is indeed an example of a secondary alcohol because the carbon atom bearing the hydroxyl group is bonded to two other carbon atoms. In isopropanol, the hydroxyl group is attached to a carbon atom that is bonded to two other carbon atoms. Methanol (Choice A) is a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to one other carbon atom. Ethanol (Choice B) is also a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to one other carbon atom. Butanol (Choice D) is a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to three other carbon atoms, making it a primary alcohol.

3. Which of the following correctly orders the layers of the epidermis from most superficial to deepest?

Correct answer: B

Rationale: The correct order of the layers of the epidermis from most superficial to deepest is: Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, Stratum basale. Choice B, 'S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale,' provides the accurate layering from the outermost to the innermost layer of the epidermis. Choice A is incorrect as it starts with Stratum spinosum, which is not the most superficial layer. Choice C is incorrect as it places Stratum spinosum before Stratum basale. Choice D is incorrect as it starts with Stratum basale, which is the deepest layer of the epidermis.

4. Which of the following best expresses the meaning of "intelligence (instinct)" in the context of this passage?

Correct answer: A

Rationale: Instinct refers to natural, unlearned behaviors, particularly in survival and reproduction.

5. Which of the following describes the flow of genetic information from DNA to protein?

Correct answer: D

Rationale: The correct answer is D, 'Both transcription and translation.' Genetic information flows from DNA to RNA through transcription and from RNA to protein through translation. Replication is the process of copying DNA to produce an identical DNA molecule. Choice A, 'Replication,' is incorrect because replication is not directly involved in the flow of genetic information from DNA to protein. Choice B, 'Transcription,' is incorrect as it represents the process of synthesizing RNA from a DNA template, which is the initial step in the flow of genetic information. Choice C, 'Translation,' is also incorrect as it refers to the process of translating the information in mRNA into a sequence of amino acids during protein synthesis, which is the second step in the flow of genetic information.

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